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evablogger [386]

3 years ago

9

3 ft3 ftO What is the surface area of the 3-dimensioshape?

1 answer:

Elanso [62]3 years ago

4 0

The answer may be c but if not i am super sorry!!

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A triangle has one side that measures 5 ft, one side that measures 6 ft, and one side that measures 9 ft.

pochemuha

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3 years ago

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The length of a rectangle is five times its width. If the area of the rectangle is 320 cm^2, find its perimeter.

olchik [2.2K]

A = LW
A = 320
L = 5W

320 = W(5W)
320 = 5W^2
320/5 = W^2
64 = W^2
sqrt 64 = W
8 = W

L = 5W
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L = 40

so the length (L) = 40 cm and the width (W) = 8 cm

P = 2(L + W)
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P = 96 <=====

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3 years ago