CBSE Class 7 Answered
The perimeter of a rectangular sheet is 100 cm. if length is 35 cm,Find it's breadth Also,find it's area.
Asked by akshath400 | 28 Dec, 2022, 03:12: PM
Expert Answer
We know taht, perimeter =2(L+B)
GivenL Length=35cm and Perimeter =100cm
Since, 2(L+B) = Perimeter
i.e. 2(35cm+B)=100cm
70cm+2B = 100cm
2B =100cm - 70cm
2B = 30cm
So, B=30cm/2
i.e. B=15cm
Thus, the breadth is 15cm
Area of the rectangle = length x breadth = 35 x 15 = 525 cm2.
Answered by Renu Varma | 29 Dec, 2022, 12:09: PM
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