Question

I don't understand this

Answer 1

x = 6

Explanation:

x^2 = 3(12) Tangent Secant Product

x^2 = 36

x = 6

Hope this helped!

Answer 2

x=6

Explanation:

(whole secant) * (external part) = (tangent)^2

(9+3) * 3 = x^2

12*3 = x^2

36 = x^2

6 = x