Answer:
no its wrong
Step-by-step explanation:
4
use pythagoeron theorem
9^2-7^2=x^2
x^2=32
x=4
D
height of pyramid = √(10²-(5/2)²) = √93.75
volume of pyramid = ⅓b²h = ⅓·5²√93.75 ≅ 80.69 in³
lateral area = 2×5×10 = 100 in²
base area = 5² = 25 in²
surface area = 100+25 = 125 in²
