Question

What is the area of a sector with radius 10" and measure of arc equal to 45°?

Answer 1

what fraction of a circle is an angle of 45..?

the Sector Area = fraction x pi x r^2

Answer 2

1/8 times pi times 100??

Answer 3

thats it.. well do... to get the fraction just use 45/360 the multiply by the area of the circle

Answer 4

So do what next?

Answer 5

just multiply it out...

the answer should be just less that 40 in^2

Answer 6

25/2 pi?

Answer 7

you thats the exact answer..