(d) the length of a rectangular peice of cardboard is 26 cm and its breadth is 20 cm. What is the area of its front cover? -Fach side of a square piece of cardboard is
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The perimeter of a rectangle is the length of all its 4 sides. Formula to calculate the perimeter of a rectangle is:
Perimeter of Rectangle = 2 × Length + 2 × Breadth
The perimeter can be represented using a model as below.
Perimeter = Length + Breadth + Length + Breadth
= 2 × Length + 2 × Breadth
Length + Breadth = Perimeter ÷ 2
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Answer:
area of the front cover is
26cm×20cm
=520sqcm
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