Question

1) OC = 7; OD = 9
Solve for the length of CD
How do i find my answer?

Answer 1

Explanation:

Triangle COD is a right triangle so you use the Pythagoras Theorem.

So CD^2 = OC^2 + OD^2

= 7^2 + 9^2

= 130

--> CD = √130

= 11.40 to the nearest hundredth.