The length of a rectangle is 8 cm more than its breadth. If its perimeter is 64 cm, what is its area?
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Answers
Answered by
7
area is 240 cm^2 ....
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Let the Breadth be x
Let the length be x + 8
Perimeter = 2( l+b)
64 = 2(x + x + 8)
64 = 4x + 16
48 = 4x
48/4 = x
12 = x
Length = 12 + 8
= 20 cm
Breadth = 12 cm
Area of a rectangle = L x b
= 20 x 12
= 240 cm
Let the length be x + 8
Perimeter = 2( l+b)
64 = 2(x + x + 8)
64 = 4x + 16
48 = 4x
48/4 = x
12 = x
Length = 12 + 8
= 20 cm
Breadth = 12 cm
Area of a rectangle = L x b
= 20 x 12
= 240 cm
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240 cm sq
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