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A doghouse is to be built in the shape of a right trapezoid, as shown below. What is the area of the doghouse?


A right trapezoid with top side 7 feet and height 7 feet. The bottom side is extended to the right with 5 more feet.

Ples answer quick.

45.5 square feet
63 square feet
66.5 square feet
84 square feet

Respuesta :

84 square feet is the anwer

Answer:

The area of the doghouse is [tex]66.5\ ft^{2}[/tex]

Step-by-step explanation:

we know that

The area of trapezoid is equal to

[tex]A=\frac{1}{2}(b1+b2)h[/tex]

where

b1,b2 are the parallel bases of trapezoid

h is the height of trapezoid

in this problem we have

[tex]b1=7\ ft[/tex]

[tex]b2=7+5=12\ ft[/tex]

[tex]h=7\ ft[/tex]

substitute

[tex]A=\frac{1}{2}(7+12)7=66.5\ ft^{2}[/tex]