If the dimension of the rectangle will be 8 cm by 13 cm. Then the area of the rectangle will be 104 square cm.
It is a polygon with four sides. The total interior angle is 360 degrees. A rectangle's opposite sides are parallel and equal, and each angle is 90 degrees. Its diagonals are all the same length and intersect in the center.
The length of a rectangle is 5 cm longer than it’s width if the perimeter of the rectangle is 42 cm.
Let w be the width. Then the length will be (w + 5).
Then we have
Perimeter = 2 (L + w)
42 = 2 (w + 5 + w)
21 = 2w + 5
2w = 16
w = 8 cm
Then the length will be
L = w + 5
L = 8 + 5
L = 13 cm
Then the area of the rectangle will be
Area = L x w
Area = 13 x 8
Area = 104 square cm
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