Question

(iii )The perimeter of a rectangle is 200 cm. Its length is three times its breadth. find it length and breadth.​

Answer 1

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Answer 2

Step-by-step explanation:

Let breadth be x

Length = 3x

Perimeter, P = 200 cm

P = 2(l + b)

200 = 2 (x + 3x)

200 = 2 * 4x

8x = 200

x = 25

Breadth = x = 25 cm

Length = 3x = 3 * 25 = 75 cm