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# How do you find the perimeter of a figure?

## How do you find the perimeter of a figure?

To find the perimeter of a rectangle, add the lengths of the rectangle’s four sides. If you have only the width and the height, then you can easily find all four sides (two sides are each equal to the height and the other two sides are equal to the width). Multiply both the height and width by two and add the results.

## Can we find perimeter of open figure?

Perimeter is a one-dimensional measurement that represents the distance around a closed geometric figure or shape (no gaps). To find perimeter, add the lengths of each side of the shape. If there are units, include units in your final result.

## What is perimeter of a closed figure?

The total distance of the outer sides of a closed figure is known as the perimeter. It is the total length of all sides of a polygon. Perimeter = Sum of all sides.

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## What is the approximate perimeter of the triangle?

We know that the perimeter of the triangle has to be the sum of the length of the three sides. If the three sides are AB, AC, and BC then the perimeter P is P=AB+AC+BC .

## What is the formula of perimeter of equilateral?

Perimeter of Equilateral Triangles Only with equilateral triangles can you substitute multiplication for addition. Since equilateral triangles have three equal sides, P = 3 × a P = 3 × a , or P = 3a P = 3 a , where P is perimeter and a is the length of any side.

## What are the angle measures of the triangle 45-45-90 quizlet?

what is a 45-45-90 triangle? an isosceles right triangle with interior angle measures of 45 degrees, 45 degrees, and 90 degrees.

## What are the angle measure of the triangle?

In a Euclidean space, the sum of measures of these three angles of any triangle is invariably equal to the straight angle, also expressed as 180 °, π radians, two right angles, or a half-turn.

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## What are the angle measures of the triangle 30-60-90?

A triangle is a right triangle with angle measures of 30º, 60º, and 90º (the right angle). Because the angles are always in that ratio, the sides are also always in the same ratio to each other.