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The equilateral triangle shown has perimeter 45 cm. How to find its side length?

User Jigzat
by
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1 Answer

8 votes

Answer:

15 cm

Explanation:

An equilateral triangle has all 3 sides equal, so you can say the length of one side is x. Then, the perimeter would be 3x. This means:

3x = 45

divide both sides by 3

x = 15 cm

User Dennis Traub
by
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