The width of the rectangle is 7cm and the length is 2 times the width. The perimeter of this rectangle

The width of the rectangle is 7cm and the length is 2 times the width. The perimeter of this rectangle and square was hammered in.

1) What is the length of the rectangle? If … times more, then you need to multiply.

7 * 2 = 14 (cm).

2) What is the perimeter of the rectangle? The perimeter of a rectangle is equal to the sum of the lengths of its four sides. P = a + b + a + b = 2 (a + b).

P = 2 (7 + 14) = 2 * 21 = 42 (cm).

3) What is the area of the rectangle? The area of a rectangle is equal to the product of its sides, length and width. S = a * b.

S = 7 * 14 = 98 (cm ^ 2).

Answer. P = 42 cm; S = 98 cm ^ 2.



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