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Semmy [17]
3 years ago
12

Find the area and the perimeter. Use 3.14. Round your answer to the nearest tenth. Need help ASAP!!

Mathematics
1 answer:
stealth61 [152]3 years ago
4 0

The formula of an area of trapezoid:

A=\dfrac{base_1+base_2}{2}\cdot height

We have:

base_1=3ft+4ft=7ft\\\\base_2=3ft\\\\height=3ft

Substitute:

A=\dfrac{7+3}{2}\cdot3=\dfrac{10}{2}\cdot3=5\cdot3=15\ ft^2

The perimeter:

P=3+4+5+3+3=18\ ft

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3 years ago
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egoroff_w [7]
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however, that only is possible when the bases are the same
recall what exponents mean

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fun fact below
we can reverse a previous exponential rule like this
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therefor
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5 0
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