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Q: Perimeter of a square with 7-cm sides?

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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.

20cm

Perimeter = sum of the lengths of sides = 5* 7 cm = 35 cm

Perimeter = 8*7 = 56 cm

7 cm x 3 sides = 21 cm perimeter.

Perimeter = 4*7 = 28 cm

The area of square is the square of one of its sides, which are all equal. To find the value of a side, take the square root of the area. In this case the square root of 49cm2 is 7cm. The perimeter is the sum of all four sides of the square, so the perimeter of a square with an area of 49cm2 is 7+7+7+7 = 28, or 4x7 = 28.

The area of square is the square of one of its sides, which are all equal. To find the value of a side, take the square root of the area. In this case the square root of 49cm2 is 7cm. The perimeter is the sum of all four sides of the square, so the perimeter of a square with an area of 49cm2 is 7+7+7+7 = 28, or 4x7 = 28.

Hint: a square's perimeter is the sum of the length of its four sides...

The perimeter of a square with sides of 3.5cm is:3.5cm x 4 = 14 cm perimeter

The perimeter of a square is the sum of the four equal sides.

The perimeter of a square with 6 km sides is 24 km

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