The area of a rectangle is 96 đđ2 . If the breadth of the rectangle is 8 đđ, find its perimeter. [1] 20 đđ [2] 48 đđ [3] 32 đđ [4] 40 đďż˝
Area of rectangle = LĂB
96 = LĂ8
L = 96/8
Length of rectangle = 12cm
Perimeter of rectangle = 2Ă(l+b)
= 2Ă (12+8)
= 2Ă20
Perimeter of rectangle =40 cm
[4] 40 cm
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