CBSE Class 7 Answered
Find the breadth and area of the given perimeter of rectangle.
perimeter=8m
Length=80cm
Asked by sahu_poonam1980 | 16 Jan, 2019, 07:43: PM
Expert Answer
1m=100cm,
Hence, 1cm=0.01m
80cm=0.8m
Perimeter=2(l+b)
8=2(0.8+b)
=0.8+b
4=0.8+b
b=4 - 0.8
b=3.2m
Area=l×b
Area=0.8×3.2
Area=2.56 m2
Answered by Arun | 16 Jan, 2019, 10:22: PM
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