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Zielflug [23.3K]
3 years ago
8

Finding area ? How did they get a=90 in sq

Mathematics
1 answer:
Burka [1]3 years ago
6 0
<h2>90 sq in</h2>

Step-by-step explanation:

The total area in the figure can be divided into two areas.

The area_{rectangle} is the area of the 8\times 10 rectangle.

The area_{triangle} is the area of the adjacent triangle to the rectangle.

area_{rectangle}=length\times breath=10\times 8=80

area_{triangle}=\frac{1}{2}\times base \times height=\frac{1}{2}\times 4\times 5=10

Total area=area_{rectangle}+area_{triangle}=90

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