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Side of a rectangle from perimeter

Side of a rectangle from its perimeter

This math skill teaches how to find the height of a rectangle when its perimeter and width are given. It involves using the perimeter formula (P = 2(width + height)), rearranging it to solve for height, then substituting in the given values.

Learn side of a rectangle from perimeter

Teaching Transcript

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Let's find the height of this rectangle given its perimeter and width

We know that perimeter is twice the sum of width plus height

So we can plug our numbers in for width and perimeter. If we divide both sides by 2 it is a simpler problem

Solving for h, our height is 4.

Skill Practice

Side of a rectangle from its perimeter

Test your understanding of side of a rectangle from perimeter by practicing it! Work through the below exercises to use it in practice.