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Find the perimeter and area of the polygon shown below.8 ft15 ft17ft20 ft

Find The Perimeter And Area Of The Polygon Shown Below8 Ft15 Ft17ft20 Ft class=

Answer :

step 1

Find the area

we have that

the area of the figure is equal to the area of a rectangle plus the area of a triangle

so

A=(20*15)+(1/2)(15)(8)

A=300+60

A=360 ft^2

area is 360 square feet

step 2

Find the perimeter

The perimeter of the figure is equal to sum three sides of the rectangle plus two sides of the triangle

so

P=15+20+20+8+17

P=80 ft

therefore

the perimeter is 80 feet

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