shangaran2 shangaran2

27-04-2018
Mathematics

contestada

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.

Respuesta :

billiejean05 billiejean05

27-04-2018

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

18x= perimeter

a triangle has 3 sides

18x÷3=6x

one side of the triangle=6x

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