ABCD is is 75cm rectangle it's length and breadth is Sind the perimeter and area of the rectangle am m2
Answers
Answer:
Length of the rectangle =3 m
We know that, 1 m=100 cm
∴ l=3×100 cm=300 cm
Breadth of the rectangle =75 cm
We know that, perimeter of a rectangle =2(l+b)
=2(300+75)
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Class 8
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If the length and breadth of a rectangle are 3 m and 75 cm respectively, then find its perimeter and area.
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Solution
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Length of the rectangle =3 m
We know that, 1 m=100 cm
∴ l=3×100 cm=300 cm
Breadth of the rectangle =75 cm
We know that, perimeter of a rectangle =2(l+b)
=2(300+75)
=2×375
=750 cm
=
100
750
m
=7.5 m
We also know that, area of a rectangle =l×b
=300×75
=22500 cm
2
=
100×100
22500
m
2
=2.25 m
2