Question

Find the difference in area between the circle and the triangle. Click on the answer until the correct answer is showing.

Answer 1

ok, so first we need to find the area of the circle
that is pi(r)^2
what's r in htis case?

Answer 2

3 would be the radius right?

Answer 3

awesome! so the area of the circle is...

Answer 4

28.27?

Answer 5

good job
now we need to find the area of the triangle
first we have to complete all the sides
you have a 30-60-90 triangle, so the sides look like this

so because the hypotenuse is the diameter of the circle, what is its lenght?