Question

Find the area of a sector and arc length whose central angle is 0.5 radians and a radius of 10 inches.

Answer 1

Now wait a minute. You can look this up in your text or sketch it out on paper. There is no need to ask me.
for example
area of sector = (angle/2pi)area of circle

I am sure you can do that isoceles triangle in there

push down clutch, engage gears :)