Question

If qc is a tangent to circle o and qc=8 and bc=4, then the length of ob is ?

Answer 1

6

Explanation:

I took the test

Answer 2

Answer:12

Step-by-step explanation: formula a(a+b)=c(c)

4(4+x)=8(8)

16+4x=64

4x=48

X=12