1.

The Perimeter of a rectanglerectangle is 120cmand it length is 40. Find the area ofthe rectangle ?​

Answer»

Perimeter = 120 cm

length = 40

perimeter of rectangle = 2(l+b)

120 = 2(40+b)

120/2=40+b

60-40=b

b = 20

Therefore, breadth of the rectangle is b=20.

Area= l×b

= 40×20

= 800



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