How to find the perimeter of a triangle in pre-algebra - High School Math
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Find the perimeter of a triangle with sides 
Find the perimeter of a triangle with sides
Add up all of the sides to get 35 inches.
Add up all of the sides to get 35 inches.
Compare your answer with the correct one above
What is the perimeter of a triangle with side lengths of 
,
, and 
?
What is the perimeter of a triangle with side lengths of
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 
.
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
Compare your answer with the correct one above
What is the perimeter of a triangle with side lengths of 
, 
, and 
?
What is the perimeter of a triangle with side lengths of
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 
.
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
Compare your answer with the correct one above
What is the perimeter of a triangle with side lengths of 
What is the perimeter of a triangle with side lengths of
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 
.
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
Compare your answer with the correct one above
What is the perimeter of an equilateral triangle if one side is 
?
What is the perimeter of an equilateral triangle if one side is
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 
.
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
Compare your answer with the correct one above
What is the perimeter of a triangle with side lengths of 
, 
, and 
?
What is the perimeter of a triangle with side lengths of
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 
.
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
Compare your answer with the correct one above
What is the perimeter of a triangle with side lengths of 
, 
, and 
?
What is the perimeter of a triangle with side lengths of
To find the perimeter of a triangle, add the lengths of all sides together:
To find the perimeter of a triangle, add the lengths of all sides together:
Compare your answer with the correct one above