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What is the perimeter of a rectangle with length of 11 cm and with of 4 cm?
To calculate the perimeter of a rectangle, you need to add together the length of each side of the rectangle. For a rectangle that is 11cm x 4cm, you would add these numbers together, then multiply it by 2 (this is because there are two sides that are 11cm and two sides that are 4cm). Thus: (11+4) x 2 = 30cm.
What is perimeter and area called in mathematics?
The perimeter is the addition of the all the sides of the shape. For example if a rectangle has two sides which are 4cm and two sides which are 7cm, then the perimeter will be 4cm+4cm+7cm+7cm. The perimeter would therefore be 22cm. The area of a shape is gotten by multiplying the length and breadth of the shape. For example, in a rectangle witrh the same measurements above, the area will be 4cm x 7cm and that would 28cm. You have to use the square sign but I can't do that here.
Find the area and perimeter of the square with side of 4cm?
Area = (side)2 = 16 square centimeters Perimeter = 4 x side = 16 centimeters
What is the dimensions of a rectangle has 20 cm area and 18 cm perimeter?
4cm x 5cm
What is the perimeter of 4cm x 5cm?
20
