Find the area of the shaded regions below. give your answer as a completely simplified exact value in terms of π (no approximations).

Find the area of the circle.

If the radius is 4cm, then we can use the equation π r^2

π (4)^2

4^2 = 16

16π

Find the area of half the circle.

Cut that in half

8π

Find the area of the two triangles.

Then subtract those, and you're done!

step-by-step explanation:

there is a formula i can give you:

it is r^2*n*sin(360/n) divided by 2 where r represents the "radius" and n is the number of sides.

plug them in:

(10sqrt(3))^2*6*sin(360/6) divided by 2

100*3*6*sin(60) divided by 2

900*sin(60)

900*sqrt(3)/2

450*sqrt(3)

approx is 779.4 cm^2

  the correct choice is marked

step-by-step explanation:

the first two graphs show multiple turning points. the last graphs matches the description in every detail.