Illustration to show medians in a triangle. It is known as the centroid.

Centroid of Triangle

Illustration to show medians in a triangle. It is known as the centroid.

Illustration to show perpendicular bisectors in a triangle. It is known as the circumcenter.

Circumcenter of Triangle

Illustration to show perpendicular bisectors in a triangle. It is known as the circumcenter.

Triangle construction when given two angles and the included side.

Triangle Construction When Given 2 Angles and Included Side

Triangle construction when given two angles and the included side.

Illustration used to show how to draw a triangle when given two sides and the included angle of the triangle.

Construction Of Triangle

Illustration used to show how to draw a triangle when given two sides and the included angle of the…

Illustration showing an equiangular triangle (one that has all three angles that are equal).

Equiangular Triangle

Illustration showing an equiangular triangle (one that has all three angles that are equal).

Illustration showing an equilateral triangle (one that has three sides equal).

Equilateral Triangle

Illustration showing an equilateral triangle (one that has three sides equal).

Illustration showing a triangle with exterior angles. This can be used to show the sum of the three angles of a triangle is equal to two right angles.

Triangle with Exterior Angles Drawn

Illustration showing a triangle with exterior angles. This can be used to show the sum of the three…

Illustration to show angle bisectors in a triangle. It is known as the incenter.

Incenter of Triangle

Illustration to show angle bisectors in a triangle. It is known as the incenter.

Inclined plane using right triangle and proportions

Inclined Plane Triangle

Inclined plane using right triangle and proportions

Illustration showing an isosceles triangle (one that has two sides equal).

Isosceles Triangle

Illustration showing an isosceles triangle (one that has two sides equal).

An isosceles triangle with angles 1, 89.5, 89.5

Isosceles Triangle degrees 1, 89.5, 89.5

An isosceles triangle with angles 1, 89.5, 89.5

An isosceles triangle with angles 10, 85, 85

Isosceles Triangle degrees 10, 85, 85

An isosceles triangle with angles 10, 85, 85

An isosceles triangle with angles 100, 40, 40

Isosceles Triangle degrees 100, 40, 40

An isosceles triangle with angles 100, 40, 40

An isosceles triangle with angles 101, 39.5, 39.5

Isosceles Triangle degrees 101, 39.5, 39.5

An isosceles triangle with angles 101, 39.5, 39.5

An isosceles triangle with angles 102, 39, 39

Isosceles Triangle degrees 102, 39, 39

An isosceles triangle with angles 102, 39, 39

An isosceles triangle with angles 103, 38.5, 38.5

Isosceles Triangle degrees 103, 38.5, 38.5

An isosceles triangle with angles 103, 38.5, 38.5

An isosceles triangle with angles 104, 38, 38

Isosceles Triangle degrees 104, 38, 38

An isosceles triangle with angles 104, 38, 38

An isosceles triangle with angles 105, 37.5, 37.5

Isosceles Triangle degrees 105, 37.5, 37.5

An isosceles triangle with angles 105, 37.5, 37.5

An isosceles triangle with angles 106, 37, 37

Isosceles Triangle degrees 106, 37, 37

An isosceles triangle with angles 106, 37, 37

An isosceles triangle with angles 107, 36.5, 36.5

Isosceles Triangle degrees 107, 36.5, 36.5

An isosceles triangle with angles 107, 36.5, 36.5

An isosceles triangle with angles 108, 36, 36

Isosceles Triangle degrees 108, 36, 36

An isosceles triangle with angles 108, 36, 36

An isosceles triangle with angles 109, 35.5, 35.5

Isosceles Triangle degrees 109, 35.5, 35.5

An isosceles triangle with angles 109, 35.5, 35.5

An isosceles triangle with angles 11, 84.5, 84.5

Isosceles Triangle degrees 11, 84.5, 84.5

An isosceles triangle with angles 11, 84.5, 84.5

An isosceles triangle with angles 110, 35, 35

Isosceles Triangle degrees 110, 35, 35

An isosceles triangle with angles 110, 35, 35

An isosceles triangle with angles 111, 34.5, 34.5

Isosceles Triangle degrees 111, 34.5, 34.5

An isosceles triangle with angles 111, 34.5, 34.5

An isosceles triangle with angles 112, 34, 34

Isosceles Triangle degrees 112, 34, 34

An isosceles triangle with angles 112, 34, 34

An isosceles triangle with angles 113, 33.5, 33.5

Isosceles Triangle degrees 113, 33.5, 33.5

An isosceles triangle with angles 113, 33.5, 33.5

An isosceles triangle with angles 114, 33, 33

Isosceles Triangle degrees 114, 33, 33

An isosceles triangle with angles 114, 33, 33

An isosceles triangle with angles 115, 32.5, 32.5

Isosceles Triangle degrees 115, 32.5, 32.5

An isosceles triangle with angles 115, 32.5, 32.5

An isosceles triangle with angles 116, 32, 32

Isosceles Triangle degrees 116, 32, 32

An isosceles triangle with angles 116, 32, 32

An isosceles triangle with angles 117, 31.5, 31.5

Isosceles Triangle degrees 117, 31.5, 31.5

An isosceles triangle with angles 117, 31.5, 31.5

An isosceles triangle with angles 118, 31, 31

Isosceles Triangle degrees 118, 31, 31

An isosceles triangle with angles 118, 31, 31

An isosceles triangle with angles 119, 30.5, 30.5

Isosceles Triangle degrees 119, 30.5, 30.5

An isosceles triangle with angles 119, 30.5, 30.5

An isosceles triangle with angles 12, 84, 84

Isosceles Triangle degrees 12, 84, 84

An isosceles triangle with angles 12, 84, 84

An isosceles triangle with angles 120, 30, 30

Isosceles Triangle degrees 120, 30, 30

An isosceles triangle with angles 120, 30, 30

An isosceles triangle with angles 121, 29.5, 29.5

Isosceles Triangle degrees 121, 29.5, 29.5

An isosceles triangle with angles 121, 29.5, 29.5

An isosceles triangle with angles 122, 29, 29

Isosceles Triangle degrees 122, 29, 29

An isosceles triangle with angles 122, 29, 29

An isosceles triangle with angles 123, 28.5, 28.5

Isosceles Triangle degrees 123, 28.5, 28.5

An isosceles triangle with angles 123, 28.5, 28.5

An isosceles triangle with angles 124, 28, 28

Isosceles Triangle degrees 124, 28, 28

An isosceles triangle with angles 124, 28, 28

An isosceles triangle with angles 125, 27.5, 27.5

Isosceles Triangle degrees 125, 27.5, 27.5

An isosceles triangle with angles 125, 27.5, 27.5

An isosceles triangle with angles 126, 27, 27

Isosceles Triangle degrees 126, 27, 27

An isosceles triangle with angles 126, 27, 27

An isosceles triangle with angles 127, 26.5, 26.5

Isosceles Triangle degrees 127, 26.5, 26.5

An isosceles triangle with angles 127, 26.5, 26.5

An isosceles triangle with angles 128, 26, 26

Isosceles Triangle degrees 128, 26, 26

An isosceles triangle with angles 128, 26, 26

An isosceles triangle with angles 129, 25.5, 25.5

Isosceles Triangle degrees 129, 25.5, 25.5

An isosceles triangle with angles 129, 25.5, 25.5

An isosceles triangle with angles 13, 83.5, 83.5

Isosceles Triangle degrees 13, 83.5, 83.5

An isosceles triangle with angles 13, 83.5, 83.5

An isosceles triangle with angles 130, 25, 25

Isosceles Triangle degrees 130, 25, 25

An isosceles triangle with angles 130, 25, 25

An isosceles triangle with angles 131, 24.5, 24.5

Isosceles Triangle degrees 131, 24.5, 24.5

An isosceles triangle with angles 131, 24.5, 24.5

An isosceles triangle with angles 132, 24, 24

Isosceles Triangle degrees 132, 24, 24

An isosceles triangle with angles 132, 24, 24

An isosceles triangle with angles 133, 23.5, 23.5

Isosceles Triangle degrees 133, 23.5, 23.5

An isosceles triangle with angles 133, 23.5, 23.5

An isosceles triangle with angles 134, 23, 23

Isosceles Triangle degrees 134, 23, 23

An isosceles triangle with angles 134, 23, 23

An isosceles triangle with angles 135, 22.5, 22.5

Isosceles Triangle degrees 135, 22.5, 22.5

An isosceles triangle with angles 135, 22.5, 22.5

An isosceles triangle with angles 136, 22, 22

Isosceles Triangle degrees 136, 22, 22

An isosceles triangle with angles 136, 22, 22

An isosceles triangle with angles 137, 21.5, 21.5

Isosceles Triangle degrees 137, 21.5, 21.5

An isosceles triangle with angles 137, 21.5, 21.5

An isosceles triangle with angles 138, 21, 21

Isosceles Triangle degrees 138, 21, 21

An isosceles triangle with angles 138, 21, 21

An isosceles triangle with angles 139, 20.5, 20.5

Isosceles Triangle degrees 139, 20.5, 20.5

An isosceles triangle with angles 139, 20.5, 20.5

An isosceles triangle with angles 14, 83, 83

Isosceles Triangle degrees 14, 83, 83

An isosceles triangle with angles 14, 83, 83

An isosceles triangle with angles 140, 20, 20

Isosceles Triangle degrees 140, 20, 20

An isosceles triangle with angles 140, 20, 20

An isosceles triangle with angles 141, 19.5, 19.5

Isosceles Triangle degrees 141, 19.5, 19.5

An isosceles triangle with angles 141, 19.5, 19.5

An isosceles triangle with angles 142, 19, 19

Isosceles Triangle degrees 142, 19, 19

An isosceles triangle with angles 142, 19, 19

An isosceles triangle with angles 143, 18.5, 18.5

Isosceles Triangle degrees 143, 18.5, 18.5

An isosceles triangle with angles 143, 18.5, 18.5