Question

perimeter of rectangle is 180 metre and its length is 10 metre more than its width find the length and with the answer NCERT solution​

Answer 1

Answer:

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Explanation:

perimeter of rectangle is 2 ×(l + b)

→ 2 × (x + x +10) = 180

→ 2 × (2x + 10) = 180

→ 2x + 10 = 180/2

→ 2x + 10 = 90

→ 2x = 90 - 10

→ 2x = 80

→ x = 80/2

→ x = 40m