An illustration showing the construction used to divide the line AB in the same proportion of parts as AC. "Join C and B, and through the given divisions 1, 2, and 3 draw lines parallel with CB, which solves the problem."

Divide A Line Proportionately

An illustration showing the construction used to divide the line AB in the same proportion of parts…

A protractor is a semicircular tool for measuring angles in degrees.

Protractor

A protractor is a semicircular tool for measuring angles in degrees.

A protractor indicating a measurement of 10 degrees.

Protractor, 10 Degrees

A protractor indicating a measurement of 10 degrees.

A protractor indicating a measurement of 10 degrees from the right side.

Protractor, 10 Degrees

A protractor indicating a measurement of 10 degrees from the right side.

A protractor indicating a measurement of 100 degrees.

Protractor, 100 Degrees

A protractor indicating a measurement of 100 degrees.

A protractor indicating a measurement of 100 degrees from the right side.

Protractor, 100 Degrees

A protractor indicating a measurement of 100 degrees from the right side.

A protractor indicating a measurement of 105 degrees.

Protractor, 105 Degrees

A protractor indicating a measurement of 105 degrees.

A protractor indicating a measurement of 105 degrees from the right side.

Protractor, 105 Degrees

A protractor indicating a measurement of 105 degrees from the right side.

A protractor indicating a measurement of 110 degrees.

Protractor, 110 Degrees

A protractor indicating a measurement of 110 degrees.

A protractor indicating a measurement of 110 degrees from the right side.

Protractor, 110 Degrees

A protractor indicating a measurement of 110 degrees from the right side.

A protractor indicating a measurement of 115 degrees.

Protractor, 115 Degrees

A protractor indicating a measurement of 115 degrees.

A protractor indicating a measurement of 115 degrees from the right side.

Protractor, 115 Degrees

A protractor indicating a measurement of 115 degrees from the right side.

A protractor with 120 and 60 degree suplementary angles indicated.

Protractor, 120 and 60 Degrees

A protractor with 120 and 60 degree suplementary angles indicated.

A protractor indicating a measurement of 120 degrees.

Protractor, 120 Degrees

A protractor indicating a measurement of 120 degrees.

A protractor indicating a measurement of 120 degrees from the right side.

Protractor, 120 Degrees

A protractor indicating a measurement of 120 degrees from the right side.

A protractor indicating a measurement of 125 degrees.

Protractor, 125 Degrees

A protractor indicating a measurement of 125 degrees.

A protractor indicating a measurement of 125 degrees from the right side.

Protractor, 125 Degrees

A protractor indicating a measurement of 125 degrees from the right side.

A protractor indicating a measurement of 130 degrees.

Protractor, 130 Degrees

A protractor indicating a measurement of 130 degrees.

A protractor indicating a measurement of 130 degrees from the right side.

Protractor, 130 Degrees

A protractor indicating a measurement of 130 degrees from the right side.

A protractor with 135 and 45 degree suplementary angles indicated.

Protractor, 135 and 45 Degrees

A protractor with 135 and 45 degree suplementary angles indicated.

A protractor indicating a measurement of 135 degrees.

Protractor, 135 Degrees

A protractor indicating a measurement of 135 degrees.

A protractor indicating a measurement of 135 degrees from the right side.

Protractor, 135 Degrees

A protractor indicating a measurement of 135 degrees from the right side.

A protractor indicating a measurement of 140 degrees.

Protractor, 140 Degrees

A protractor indicating a measurement of 140 degrees.

A protractor indicating a measurement of 140 degrees from the right side.

Protractor, 140 Degrees

A protractor indicating a measurement of 140 degrees from the right side.

A protractor indicating a measurement of 145 degrees.

Protractor, 145 Degrees

A protractor indicating a measurement of 145 degrees.

A protractor indicating a measurement of 145 degrees from the right side.

Protractor, 145 Degrees

A protractor indicating a measurement of 145 degrees from the right side.

A protractor indicating a measurement of 15 degrees.

Protractor, 15 Degrees

A protractor indicating a measurement of 15 degrees.

A protractor indicating a measurement of 15 degrees from the right side.

Protractor, 15 Degrees

A protractor indicating a measurement of 15 degrees from the right side.

A protractor with 150 and 30 degree suplementary angles indicated.

Protractor, 150 and 30 Degrees

A protractor with 150 and 30 degree suplementary angles indicated.

A protractor indicating a measurement of 150 degrees.

Protractor, 150 Degrees

A protractor indicating a measurement of 150 degrees.

A protractor indicating a measurement of 150 degrees from the right side.

Protractor, 150 Degrees

A protractor indicating a measurement of 150 degrees from the right side.

A protractor indicating a measurement of 155 degrees.

Protractor, 155 Degrees

A protractor indicating a measurement of 155 degrees.

A protractor indicating a measurement of 155 degrees from the right side.

Protractor, 155 Degrees

A protractor indicating a measurement of 155 degrees from the right side.

A protractor indicating a measurement of 160 degrees.

Protractor, 160 Degrees

A protractor indicating a measurement of 160 degrees.

A protractor indicating a measurement of 160 degrees from the right side.

Protractor, 160 Degrees

A protractor indicating a measurement of 160 degrees from the right side.

A protractor indicating a measurement of 165 degrees.

Protractor, 165 Degrees

A protractor indicating a measurement of 165 degrees.

A protractor indicating a measurement of 165 degrees from the right side.

Protractor, 165 Degrees

A protractor indicating a measurement of 165 degrees from the right side.

A protractor indicating a measurement of 170 degrees.

Protractor, 170 Degrees

A protractor indicating a measurement of 170 degrees.

A protractor indicating a measurement of 170 degrees from the right side.

Protractor, 170 Degrees

A protractor indicating a measurement of 170 degrees from the right side.

A protractor indicating a measurement of 175 degrees.

Protractor, 175 Degrees

A protractor indicating a measurement of 175 degrees.

A protractor indicating a measurement of 20 degrees.

Protractor, 20 Degrees

A protractor indicating a measurement of 20 degrees.

A protractor indicating a measurement of 20 degrees from the right side.

Protractor, 20 Degrees

A protractor indicating a measurement of 20 degrees from the right side.

A protractor indicating a measurement of 25 degrees.

Protractor, 25 Degrees

A protractor indicating a measurement of 25 degrees.

A protractor indicating a measurement of 25 degrees from the right side.

Protractor, 25 Degrees

A protractor indicating a measurement of 25 degrees from the right side.

A protractor with 30 and 150 degree suplementary angles indicated.

Protractor, 30 and 150 Degrees

A protractor with 30 and 150 degree suplementary angles indicated.

A protractor indicating a measurement of 30 degrees.

Protractor, 30 Degrees

A protractor indicating a measurement of 30 degrees.

A protractor indicating a measurement of 30 degrees from the right side.

Protractor, 30 Degrees

A protractor indicating a measurement of 30 degrees from the right side.

A protractor indicating a measurement of 35 degrees.

Protractor, 35 Degrees

A protractor indicating a measurement of 35 degrees.

A protractor indicating a measurement of 35 degrees from the right side.

Protractor, 35 Degrees

A protractor indicating a measurement of 35 degrees from the right side.

A protractor indicating a measurement of 40 degrees.

Protractor, 40 Degrees

A protractor indicating a measurement of 40 degrees.

A protractor indicating a measurement of 40 degrees from the right side.

Protractor, 40 Degrees

A protractor indicating a measurement of 40 degrees from the right side.

A protractor with 45 and 135 degree suplementary angles indicated.

Protractor, 45 and 135 Degrees

A protractor with 45 and 135 degree suplementary angles indicated.

A protractor indicating a measurement of 45 degrees.

Protractor, 45 Degrees

A protractor indicating a measurement of 45 degrees.

A protractor indicating a measurement of 45 degrees from the right side.

Protractor, 45 Degrees

A protractor indicating a measurement of 45 degrees from the right side.

A protractor indicating a measurement of 50 degrees.

Protractor, 50 Degrees

A protractor indicating a measurement of 50 degrees.

A protractor indicating a measurement of 50 degrees from the right side.

Protractor, 50 Degrees

A protractor indicating a measurement of 50 degrees from the right side.

A protractor indicating a measurement of 55 degrees.

Protractor, 55 Degrees

A protractor indicating a measurement of 55 degrees.

A protractor indicating a measurement of 55 degrees from the right side.

Protractor, 55 Degrees

A protractor indicating a measurement of 55 degrees from the right side.

A protractor with 60 and 120 degree suplementary angles indicated.

Protractor, 60 and 120 Degrees

A protractor with 60 and 120 degree suplementary angles indicated.

A protractor indicating a measurement of 60 degrees.

Protractor, 60 Degrees

A protractor indicating a measurement of 60 degrees.