(2+9)*f
= 11*f
The final answer is 11f~
The area is 270 inches, because you would do length times width, which in this situation is 28 and 15. You multiply them, and you get 270.
I think answer is b that is 10raise to 2
R = A / tetha
70° × pi/180 = radian
radian = 1.222 rad
3 = A / 1.222
Arc = 3.7 meter
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