I need help on this question: A rectangle measures 2x cm by 7x cm. An equilateral triangle has the same perimeter as the rectangle. Find the length of one side of the triangle in terms of x.

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asked Feb 22, 2019 99.6k views

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I need help on this question:

A rectangle measures 2x cm by 7x cm.
An equilateral triangle has the same perimeter as the rectangle.
Find the length of one side of the triangle in terms of x.

Mathematics
middle-school

Stevan Tosic asked

by Stevan Tosic

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1 Answer

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2x+2x+7x+7x= 18x

18x= perimeter

a triangle has 3 sides

18x÷3=6x

one side of the triangle=6x

Tedtoal answered Feb 28, 2019

by Tedtoal

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