Find the percentage of 25 cents of $2.00

Given a circle with measures of (c, d, and r) and a circle with measures of (c', d', and r'), what is d if c c' = 12 and d' = 0.50? a) 3 b) 6 c) 12 d) 24

This is so hard and it’s for a test

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.