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Perimeter by definition is the length of the outside edge of an object. If you have a square, by defnition every side is equal so you only have to know one side's length. You then would multiply that side's length by 4 and you will have the perimeter. However, if you have an oval, there are no sides and this, of course does not apply. If you have a rectangle, there are two pair of sides that are equal. All you need to know is the length of the long and short side. Multiply both lengths by two and sum your answers.
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How do you work out the perimeter of a compoumd shape?
There is no simple answer. You need to calculate (or measure) the length of each side and add them together.
How do you work out the perimeter of a non right-angled triangle?
-- Measure or calculate the length of each of its 3 sides. -- Add the lengths of its 3 sides. -- The sum is the perimeter of the triangle.
How do you work out what the perimeter of a square is with an area of 49cm2?
Area of a square = (length of one side)249 cm2 = (length of one side)27 cm = length of one side========================Perimeter of a square = distance all the way around itPerimeter = (4) x (length of one side)Perimeter = (4) x (7 cm) = 28 cm
What is the perimeter of a square with each area of 16 cm squared?
To find the perimeter of a square, you first need to work out the side length. The area of a square is L2 where L is the side length. The area of the square in the question is 16cm2 so L is the square root of 16, or 4. To get the perimeter of the square, we simply multiply the side length by 4. In this case 4x4=16, so the perimeter of the square is 16cm.
When you try to work out the perimeter do you add or times?
To work out perimeter you always add I need to remember that
