ISEE Lower Level Math : How to find the perimeter of a triangle
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Example Questions
Example Question #351 : Geometry
An isosceles triangle measures 
To find the perimeter of any object, simply add the length of each side together. The best answer is:
Example Question #1293 : Isee Lower Level (Grades 5 6) Mathematics Achievement
An equilateral triangle has a base of 
Cannot be determined since you are given one side length only.
An equilateral triangle has three equal sides so the side lengths of this triangle are 
The perimeter is the total of the three sides so the answer is,
Example Question #342 : Plane Geometry
Find the perimeter of an equilateral triangle that has a side with a length of 9cm.
The formula to find the perimeter of a triangle is
where a, b, and c are the lengths of the sides. When looking at equilateral triangles, we know that all lengths are equal. Therefore, we know that each side is equal to 9cm. So,
Example Question #343 : Plane Geometry
Find the perimeter of the following triangle:
To find the perimeter of a triangle, we will use the following formula:
where a, b, and c are the lengths of each side of the triangle.
The sides on this triangle are of length 9in, 10in, and 3in. So, we will add those lengths together. We get
Example Question #344 : Plane Geometry
An isosceles triangle measures 
To find the perimeter of any object, simply add the length of each side together. The best answer is:
Example Question #345 : Plane Geometry
An isosceles triangle measures 
To find the perimeter of any object, simply add the length of each side together. The best answer is:
Example Question #361 : Geometry
An equilateral triangle measures 
To find the perimeter of any object, simply add the length of each side together. The best answer is:
Example Question #362 : Geometry
An equilateral triangle measures 
To find the perimeter of any object, simply add the length of each side together. The best answer is:
Example Question #71 : Triangles
Find the perimeter of an equilateral triangle with a side of length 13cm.
To find the perimeter of a triangle, we use the following formula:
where a, b, and c are the lengths of the sides of the triangle.
So, given the triangle mentioned above, we know that it is an equilateral triangle. Because it is an equilateral triangle, we know that all the sides are equal. The problem says one side is 13cm. Therefore all sides are 13cm. Knowing that, we can substitute into the formula. We get
Example Question #21 : How To Find The Perimeter Of A Triangle
Find the perimeter of an equilateral triangle with a base of 8 inches.
To find the perimeter of a triangle, we use the following formula:
where a, b, and c are the lengths of the sides of the triangle.
We know the length of the base of the triangle is 8 inches. Because it is an equilateral triangle, we also know that all sides are equal. Therefore, all sides are 8 inches. Knowing this, we can substitute into the formula. We get
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