Answer:
502,400
Step-by-step explanation:
You can find the area of a circle using the formula
A = pi • r2.
40,000,000
Answer: 130
Step-by-step explanation: the only reasonable answer
44
6x +22 + 7x + 16 = 90
13x +38 =90
13x = 52
x = 4
7 x 4 +16 = 44