the length of the rectangle is 7 by 5 of its breadth. if its perimeter is 144 m, what is its area?
Answers
Answered by
9
p= 2(l+b)
144=2(7/5+x)
144=2×12/5x
144=24/5x
x=144×5/24
x=30
area=l×b
=7/5×30
=43 cm² ans
144=2(7/5+x)
144=2×12/5x
144=24/5x
x=144×5/24
x=30
area=l×b
=7/5×30
=43 cm² ans
Answered by
5
Answer:
Step-by-step explanation:
Let x be the breadth of the rectangle.
Then the length of the rectangle=
The perimeter of rectangle is given by:-
∴Breadth= 30 m
and length=
The area of rectangle=
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