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castortr0y [4]
4 years ago
8

A semicircle is attached to the side of a rectangle as shown.

Mathematics
2 answers:
nasty-shy [4]4 years ago
4 0

Answer:

15.5\ m^{2}

Step-by-step explanation:

we know that

The area of the figure is equal to the area of a rectangle plus the area of semicircle

Step 1

Find the area of the rectangle

The area of the rectangle is equal to

A=bh

we have

b=6\ m

h=2\ m

substitute

A=6*2=12\ m^{2}

Step 2

Find the area of semicircle

The area of semicircle is equal to

A=\frac{1}{2}\pi r^{2}

we have

r=3/2=1.5\ m

substitute

A=\frac{1}{2}(3.14)(1.5^{2})=3.5\ m^{2}

Step 3

Find the area of the figure

12\ m^{2}+3.5\ m^{2}=15.5\ m^{2}


Mumz [18]4 years ago
3 0
Area of Rectangle = 12 m
------------------------------------
a- πr^2
----------
d- 3 m
r- 1.5 m
----------
a-πr^2
a-1.5^2 π
a- 3πm^2 <-- exact answer
a- 3(3.14)
a- .42 <-- approximate answer
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