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9 length 22 perimeter

Q: Do you multiply or add on perimeter?

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Perimeter is most often found by adding.

to find the perimeter you must add all sides. and to find area you have to multiply lenght and width

No, you add up all the sides. Yes, in terms of a circle. To determine the perimeter or circumference of a circle, you must multiply: 2πr or two times Pi times the radius of the circle.

Add the two known measurements together, then multiply by 2 - and you'll have your answer !

Perimeter: Add the length of the four sides. Area: Multiply length x width.

Related questions

You add for perimeter...

The perimeter is the length around something, add all sides together to get the length of the perimeter.

You have to multiply to find area you have to add to find perimiter

Perimeter is most often found by adding.

To find the perimeter you add and to find the area we multiply.

You add the lengths of all sides of the shape.

you multiply the length by two then you multiply the width by two and then add the two answers 2l+2w

to find the perimeter you must add all sides. and to find area you have to multiply lenght and width

Area you multiply 2 sides and perimeter you add all the sides together.

Perimeter: add all sides area: multiply length times width for rectangles

for area you multiply length times width and for perimeter you add all of the sides together

To calculate the area you multiply the width times lenghth.the numbers that are on the side of the shape multiply them and you'll get the area. Now to get the perimeter you add the numbers on the sides together. Add lenght times width.that's how you get your perimter and area.