Question

length and breadth of a rectangular blackboard are in ratio 3:2.if its length is 150m. find its area
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Answer 1

Area of the rectangle is 1350

Answer 2

Explanation:

Given

Length (l) and breadth (b) of a rectangular blackboard are in ratio of 3:2 and the length is 150m.

To Find

The area of the rectangle.

now,

Let the l and b be 3x and 2x.

as given,

=>3x= 150

=> x= 150

3

=> x= 50

here by putting the value of x ,

we get,

b=2x=2×50=100

Therefore,

the area of rectangle=(length×breadth)=(l×b)

:.(l×b)=(150×100)=15000

Hence,the area of rectangle is 15000cm^2.

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