Question

Perimeter of a rectangle is 7 2/5 m. If the length is 3 1/5 m. find its breadth.

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

perimeter = 7 2/5 = 7×5+2/5 = 37/5 = 7.4m

length = 3 1/5 = 3×5+1/5 = 16/5 = 3.2 m

2×(l+b) = 7.4

2×3.2 + 2×b = 7.4

6.4 + 2b =7.4

2 b = 7.4-6.4 = 1

b= 1/2 = 0.5