Question

Area of a rectangle whose perimeter is 240 cm and it’s length is 10 cm

Answer 1

given,
perimeter=240cm
length=10cm
we know that perimeter=2 (l+b)
240=2 (10+b)
120=10+b
b=110
area=l×b
area=10×110
area=1100cm^2
hope this helped u the answer is correct