ABCDEFGHIJ is a regular decagon. It rotates clockwise about its center to form the polygon A′B′C′D′E′F′G′H′I′J′. Match each angle of rotation to the point that A′ (the image of A) coincides with after that rotation.

Tiles
252º
108º
135º
180º
288º
324º

Pairs
D

F

H

I

Question

ABCDEFGHIJ is a regular decagon. It rotates clockwise about its center to form the polygon A′B′C′D′E′F′G′H′I′J′. Match each angle of rotation to the point that A′ (the image of A) coincides with after that rotation.

Tiles
252º
108º
135º
180º
288º
324º

Pairs
D

F

H

I

anonymous · Answer

attachment

welshfella · Answer

the angles through which you rotate to get from one  point to the next = 360/10 = 36 degrees.

welshfella · Answer

So D will match to 3*36 = 108 degrees