A = π r^2
A = 9^2 <span>π
</span>A = 81<span>π
if using </span>π = 3.14 then
A = 3.14 x 81 = 254.47 ft^2
answer: 81π ft^2 or 254.47 ft^2
hope that helps
It’s really hard to see the picture
-x^2 + 7 is the simplified expression
Angle DAB is equivalent to angle DCB. The answer is 65°
