the length of a rectangle is 12.5 cm and its perimeter is 42 cm find its breadth and area
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Answered by
4
l=12.5 , perimeter=42 , b=?,and area=?
perimeter of a rectangle =2(l+b)
42=2(12.5+b)
42/2=12.5+b
21=12.5 +b
21-12.5=b
b= 8.5
area of rectangle= l×b
=12.5×8.5
=106.25
perimeter of a rectangle =2(l+b)
42=2(12.5+b)
42/2=12.5+b
21=12.5 +b
21-12.5=b
b= 8.5
area of rectangle= l×b
=12.5×8.5
=106.25
Answered by
0
perimeter is 2(A+B)
so the area is 103.25
so the area is 103.25
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