Question

The figure below shows two white quarter circles inside a rectangle.



The area of the shaded portion is approximately _____square feet. Round the solution to the nearest whole number.

Answer 1

is this the answer 686.72587712816541?

Answer 2

Are of rectangle=80x40=3200ft
Are of the two quarter circles= 2x3.142x(40^2). Divide by 4= 2513.6ft.
Subtracting 3200-2513.6=686.4ft. (686ft correct to nearest whole number)

Answer 3

*Area

Answer 4

ty

Answer 5

yw!

Answer 6

few more questions to go ^^

Answer 7

Okay, sure! :)

Answer 8

http://openstudy.com/study#/updates/4fca4485e4b0c6963ad4479d :D