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juin [17]
3 years ago
14

This figure consists of a rectangle and semicircle. What is the perimeter of this figure? Use 3.14 for pi. 60.84 m 72.84 m 79.68

m 98.52 m A shape made up of a rectangle of the left and a semicircle on the right. The rectangle has a width of 15 meters and a height of 12 meters.

Mathematics
2 answers:
viva [34]3 years ago
8 0
60.84 (A)
Hope this helps..   :)
Have a nice day!
nignag [31]3 years ago
6 0

Answer:

The perimeter of the figure is 60.84\ m

Step-by-step explanation:

we know that

The perimeter of the figure is equal to the perimeter of a rectangle plus the circumference of a semicircle minus the diameter of the circle

so

<u>Find the perimeter of the rectangle</u>

The perimeter of the rectangle is equal to

P=2(L+W)

substitute the values

P=2(15+12)=54\ m

<u>Find the circumference of a semicircle</u>

The circumference of a semicircle is equal to

C=\pi r

substitute the value of r

r=12/2=6\ m -----> the radius is half the diameter

C=(3.14)(6)=18.84\ m

<u>Find the perimeter of the figure</u>

54\ m+18.84\ m-12\ m=60.84\ m


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The complete question is attached below.

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