Calculate the Perimeter of an Equilateral Triangle with 5-Unit Sides

Given an equilateral triangle:

555

What is its perimeter?

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Step-by-step video solution

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00:00 Calculate the perimeter of the triangle
00:02 The perimeter equals the sum of the triangle's sides
00:07 The triangle is equilateral hence all sides equal 5
00:11 Substitute in the relevant values and proceed to solve
00:15 This is the solution

Step-by-step written solution

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1

Understand the problem

Given an equilateral triangle:

555

What is its perimeter?

2

Step-by-step solution

Since the triangle is equilateral, that is, all sides are equal to each other.

The perimeter of the triangle is equal to the sum of all sides together, the perimeter of the triangle in the drawing is equal to:

5+5+5=15 5+5+5=15

3

Final Answer

15

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In a right triangle, the side opposite the right angle is called....?

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