Quick Answer: How can you find the perimeter?

What is the formula for perimeter?

Perimeter, Area, and Volume

Table 1. Perimeter Formulas
Shape Formula Variables
Square P=4s s is the length of the side of the square.
Rectangle P=2L+2W L and W are the lengths of the rectangle’s sides (length and width).
Triangle a+b+c a,b, and c are the side lengths.

How do you find the perimeter with the area?

Perimeter of a Rectangle

  1. Remember the formula for perimeter and area of a rectangle. The area of a rectangle is a = length * width, while the perimeter is p = (2 * length) + (2 * width)
  2. Substitute the known values into the area formula. 36 = 4 * w.
  3. Substitute values for length and width into the perimeter formula.

What is a perimeter of a shape?

The perimeter of a shape is the total distance around its edge. To calculate the perimeter of a shape, you just have to add up the lengths of all of its sides.

What is a perimeter in math?

Perimeter is the distance around the edge of a shape. Learn how to find the perimeter by adding up the side lengths of various shapes.

How do we calculate area?

For a square or rectangular room, you will first need to measure the length and then the width of the room. Then multiply the length and width. Length x Width = Area. So, if your room measures 11 feet wide x 15 feet long, your total area will be 165 square feet.

What are the formulas for perimeter and area?

Area and Perimeter Formula Chart

Geometric Shape Perimeter Formula Metrics
Triangle a + b + c a, b and c being the side lengths
Rectangle 2(Length + Width)
Square 4a a =Length of a side
Trapezoid a +b+c+d a, b, c, d being the sides of the trapezoid
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How you find the perimeter of a rectangle?

The perimeter of a rectangle is the total length of all the sides of the rectangle. Hence, we can find the perimeter by adding all four sides of a rectangle. Perimeter of the given rectangle is a + b + a + b.

What is the perimeter of shape B?

Answer: The perimeter of a two-dimensional shape is the distance around the shape. It is found by adding up all the sides (as long as they are all the same unit). The area of a two-dimensional shape is found by counting the number of squares that cover the shape.

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