Question

The perimeter of a rectangle is 120 cm if the length is 40cm find the breadth and also find the area

Answer 1

perimeter of rectangle=120cm
2(l+b)=120
2(40+b)=120
40+b=120/2
40+b=60
b=60-40
b=20cm

area of rectangle=l×b
=(40×20)cm²
=800cm²

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Answer 2

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