How to find the perimeter of a triangle in pre-algebra

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Math › How to find the perimeter of a triangle in pre-algebra

Questions 1 - 7
1

What is the perimeter of a triangle with side lengths of

Explanation

To find the perimeter of a triangle you must add all of the side lengths together.

In this case our equation would look like

Add the numbers together to get the answer .

2

What is the perimeter of a triangle with side lengths of , , and ?

Explanation

To find the perimeter of a triangle, add the lengths of all sides together:

3

What is the perimeter of a triangle with side lengths of , , and ?

Explanation

To find the perimeter of a triangle you must add the three side lengths together.

In this case our equation would look like

Add the numbers together to get the answer .

4

What is the perimeter of a triangle with side lengths of ,, and ?

Explanation

To find the perimeter of a triangle you must add all of the side lengths together.

In this case our equation would look like

Add the numbers together to get the answer .

5

What is the perimeter of a triangle with side lengths of , , and ?

Explanation

To find the perimeter of a triangle you must add all of the side lengths together.

In this case our equation would look like

Add the numbers together to get the answer .

6

Find the perimeter of a triangle with sides

Explanation

Add up all of the sides to get 35 inches.

7

What is the perimeter of an equilateral triangle if one side is ?

We need to know the lengths of the other sides to solve.

Explanation

The perimeter is the sum of the sides of the triangle. Because the triangle is equilateral, all three sides have equal length.

That means we can take the formula

and say .

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