Question

This one is so hard what I supposed to do with on number???

Answer 1

It's actually very simple. Semicircle is a half of a circle. So the area and perimeter is also divided by 2. Also the radius is a half of diameter so 130.

`Area=(\pi130^2)/(2)\approx(53092.92)/(2)=\boxed{26546.46ft^2}`

Hope this helps.

r3t40