Answer:
C) 89.12 m^2
Step-by-step explanation:
You can find the area of this figure by finding the areas of both shapes (semicircle and rectangle) then adding both areas.
To find the area of a semicircle, use this formula:
1/2πr^2 (1/2 x 3.14 x radius x radius)
Here, this radius is 4.
Now, we just plug in the numbers.
[3.14 is always used for π (pi)].
1/2 x 3.14 x radius x radius
↓
1/2 x 3.14 x 4 x 4 = 25.12
25.12 is the area of the semicircle.
Now, we must find the area of the square.
SQUARES ARE HAVE EQUAL SIDES, SO TO FIND THE AREA, WE SIMPLY MULTIPLY A SIDE LENGTH BY ITSELF TWICE.
8 x 8 = 64.
Now that we have both areas, we add to find the area of the figure.
25.12 + 64 = 89.12
Therefore, the area of this figure is 89.12 meters^2.
