PLEASE HELP! :J
What is the area of a sector with radius 10" and measure of arc equal to 45°?

Question

PLEASE HELP! :J
What is the area of a sector with radius 10" and measure of arc equal to 45°?

anonymous · Answer

$$A.) 2.5 \pi sq. inches$$

anonymous · Answer

$$B.) 12.5 \pi sq. inches$$

anonymous · Answer

$$C.)25 \pi sq. inches$$

ash2326 · Answer

@michelle_DrNiah What's the area of the circle with radius 10? leave the answer in terms of pi

anonymous · Answer

Honestly, I'm not sure :p Could you please walk me through it

ash2326 · Answer

$$Area\ of\ circle = \pi\times r^2$$
r= radius of the circle, can you tell the area now?

anonymous · Answer

$$Area  of  circle= \pi  \times 100= 314$$

ash2326 · Answer

leave in terms of pi
so
Area=100 pi

ash2326 · Answer

Now this is area of circle corresponding to a sector of 360 degrees 
What would be the area of a sector with 45 degrees?

anonymous · Answer

12.5 pi sq. inches

ash2326 · Answer

yes, good work :D did you understand?

anonymous · Answer

YAY!!! I think I do; but If I need some more help will you help you me please?

ash2326 · Answer

I would if I'm on :D

anonymous · Answer

Thank you sooo much!!! :j