Through which angle of rotation does the image of a regular pentagon coincide with its preimage? A. 90° B. 72° C. 60° D. 45° E. 30°

Question

asked Jul 4, 2019 216k views

1 Answer

Saravana · Answer 1 · 2019-07-10T17:31:43+0000

The central angle of a regular pentagon is : 360° : 5 = 72°

Through this angle of rotation the image of a regular pentagon coincide with its preimage.

Answer: B ) 72°