CBSE Class 7 Answered
the perimeter of a rectangle plank is 120cm if it's length is 40 cm find the breadth and the area of plank
maths
Asked by vishnuchavan66648 | 23 May, 2024, 10:42: AM
Expert Answer
Perimeter of rectangle = 120 cm = 2(length + breadth) = 2(40 + b)
i.e. 60 = 40 + b
i.e. b = 20 cm
Area of the rectangle = length x breadth = 40 x 20 = 800 square cm
Answered by Rashmi Khot | 27 May, 2024, 14:31: PM
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