Question

Which figures can be used to find the area of the composite figure?

Choose exactly two answers that are correct.



A.
a semicircle with an area of 4.5 m2

B.
a semicircle with an area of 18 m2

C.
a rectangle with an area of 33 m2

D.
a rectangle with an area of 66 m2

Answer 1

The area of the rectangle is 6x11=66 m^2 so one correct answer is D

area of the circle is pi radius ^2=> area of the circle is pi*3^2=> area of the cirle is 9pi=> the area of the semicircle is 9pi:2=4.5

so the answer is A