Answer:
A =
. r^2
If A = 9
ft^2
. r^2 = 9
ft^2
r^2 = 9ft^2
r = sqrt(9ft^2)
r = 3ft ( r>0)
Step-by-step explanation:
Answer: 5 pounds
Step-by-step explanation: 90 - 47.65 ÷ 8.47 = 5
Answer: = 8.346296 × 106
Step-by-step explanation:
Given the formular for relating the <span>area A, the two bases, a and b, and the height, h</span> of a trapezoid is given by

We solve for h as follows: