Question

find length of the rectangle whose breadth is 8 CM and peri
meter is 80 cm

Answer 1

Answer: 32cm

Step-by-step explanation:

Let the length of the rectangle be L

2(L+breadth) = perimeter

L+breadth=80/2

L+8 = 40

L = 40-8 = 32cm

Answer 2

Answer:

80=2(8+l)

80=16+2l

80-16=2l

64=2l

l=64/2

l=32

hence answer is 32cm

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