C.
-3 squared is 9. 9 + (-3) is 6.
Therefore, it's C
1
Vhvixr6
dtidtu
dtudtu
tdu
xtu
dtitfu
Answer:
x = 12
Step-by-step explanation:
Given a tangent and a secant from an external point to the circle, then
The square of the tangent is equal to the product of the external part and the entire secant, that is
x² = 6(6 + 18) = 6 × 24 = 144 ( take the square root of both sides )
x = = 12