Question

(a) The length of a rectangle is thrice its
breadth. If the perimeter of the rectangle
is 32 cm then what is its area ?
[Madhyamik 1984)​

Answer 1

Answer:

Let length of rectangle = lcm breadth of rectangle = bcm Given length is 3 times its breadthi.e. l = 3 × b Perimeter of the rectangle = 120 cm i.e. 2 ...

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Answer 2

Answer:

breadth=X

length=3x

p=2(l+b)

=2(X+3x)

32=8x

X=4

length=3×4=12

breadth=4

area=l×b

=12×4

=48cm2

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