find radius

Question

AB and CD are two parallel chords of a circle such that AB=10cm and CD=24cm . If two chords are on the opposite side of the center and the distance between them is 17cm, find the radius of the circle?

Answer 1

The answer is r = 13 cm.  To see how I solved it, click on the link below:

 

https://www.wyzant.com/resources/files/433055/find_the_radius