Answer: X = -12
Step-by-step explanation: 1) 12 + x/4 = 9
2) 12 + x/ 2^2 = 9
3) x/ 2^2 + 12 = 9
Answer:
√(A/4π) = r
Step-by-step explanation:
A = 4πr²
r² = A/4π
r = √(A/4π)
How to get answer:
Answer: yes it is indeed your very smart
d) 12.9 in
3)
ΔABC ≅ ΔXYZ
AB/AC = XY/XZ
7/10 = 9/XZ
XZ = 10 *9/7
XZ = 12.9