The area for the sector of a circle is found by using the formula
A = π • r² • m/360
r is the radius of the circle.
m is the measurement of the angle making the sector.
For the first problem below #3A
It would be
π • 4² • 53/360
And that would equal 7.4 ft²

Find the area of this sector.
Find the area of this sector.
Find the area of this sector.
Be careful on this one. It is looking for the area of the entire shaded part. Remember there are 360° in a circle.
Find the area of this sector.
Find the area of this sector.
Find the area of this sector.
Find the area of this sector.
Find the area of this sector.