The perimeter of an equilateral triangle is 42cm. Find the length of its side and its altitude.

PREALGEBRA
15th Edition
ISBN:9781938168994
Author:OpenStax
Publisher:OpenStax
Chapter9: Math Models And Geometry
Section: Chapter Questions
Problem 477PT: The perimeter of an equilateral triangle is 145 feet. Find the length of each side.
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The perimeter of an equilateral triangle is 42cm. Find the length of its side and its altitude. 

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