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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.

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Q: How do you calculate the area and perimeter of shapes?
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Related questions

How do you find the perimeter and area of an irregular shape?

Oh, isn't that a happy little question! To find the perimeter of an irregular shape, you simply add up the lengths of all its sides. And to find the area, you can break the shape into smaller, simpler shapes like triangles or rectangles, and then add up their individual areas. Just remember, there are no mistakes, only happy little accidents in math and art!


When do you need to calculate the perimeter of shapes?

Legnth of the sides and then you add them up to get the perimeter


How do you calculate the perimeter of the cone?

You don't. Perimeter is a concept associated with plane figures, not solid shapes.


Can two shapes have the same perimeter?

Yes - even shapes with different area.


Why would you need to separate a figure into parts to calculate perimeter and area?

You don't need to if you can manage to work out the perimeter and area of complex shapes. Most people cannot work easily with shapes other than triangles, quadrilaterals, circles and semicircles. For them (us) it is easier to partition the shape.


How do you find area and perimeter?

For the area of a square, it is the base x the height, and the perimeter is 2height+2base. For the area of a triangle, it is base x height divided by two. And to find the perimeter you just add up each of the side lengths.


Can a shape have the same area but not perimeter?

Most shapes have different perimeter than area, as far as value.


How many shapes have an area of 5 and a perimeter of 12?

There are infinitely many shapes.


Can shapes with the same area have different perimeter?

yes they can


What is geometry as a subject?

it's a subject because it explains about all types of shapes that you can know and it also teaches you how to calculate the area and perimeter of the shape that you are finding.


What shapes have a perimeter of 15 and an area of 16?

Oh, what a happy little question! Let's think about shapes that could have a perimeter of 15 and an area of 16. One shape that comes to mind is a rectangle with dimensions 4 by 4. Another possibility is a square with sides of length 4. These shapes show us that there can be different ways to create beautiful combinations of perimeter and area.


What is a composite figures perimeter?

They are the result of combining shapes, either by adding parts or taking parts away. We calculate the perimeter of composite shapes by splitting them into simpler pieces and then calculating the perimeter of those simpler pieces.