Question

The diagram below shows a pentagram (a five-pointed star) inscribed inside a regular pentagon. There are several golden ratios in this figure


This means that if length a = 1, then length b = 1.618. In this case, what is length c?

Answer 1

http://media.apexlearning.com/Images/200510/31/bc3c0904-1349-4698-ae8d-cb667101d0cf.gif

Answer 2

@amoodarya

Answer 3

can you tell me what is alpha angle ?

Answer 4

its....

Answer 5

a=1

Answer 6

wait wait

Answer 7

A. 1.618
B. 0.618
C. 2.618
D. 3.142
E. 3.718

Answer 8

anyways

Answer 9

a=1

Answer 10

b=1.618