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LekaFEV [45]
3 years ago
15

Find the area of a rectangle with a perimeter of 12 meters and a base of 4 meters

Mathematics
1 answer:
stepladder [879]3 years ago
7 0
Considering the perimeter (P)
p = 2 \times b + 2 \times h
where b is the base and h is the height, then
12 = 2 \times 4 \times 2 \times h \\  \\ h =  \frac{12 - (2 \times 4)}{2}  \\  \\ h = 2
Being the area (A)
a = b \times h \\  \\ a = 4 \times 2 \\  \\ a = 8 {m}^{2}

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