"If AOB is an angle of 1 ° on the larger circle, it is also 1 ° on the smaller concentric circle,…

Circle divided into equal parts by concentric circles.

Development of concentric ridges in anticlinal structures. A) An anticlinal or cigar-shaped mountain…

A mechanical drawing exercise of a circle with curved wavy lines. The image is drawn by dividing horizontal…

A drawing exercise for drawing eight concentric circles by dividing the paper in quarters as shown.…

Mechanical drawing exercise of drawing dotted lined concentric circles. The circles are first drawn…

An inscribed circle pattern exercise for mechanical drawing. The pattern is drawn by dividing the horizontal…

Three suspended concentric circles free to move independently of each other at right angles.