Question

Anu wants to fence the garden in front of her house on three sides with lengths 20m, 12m and 12m. Find the cost of fencing at the rate of Rs 150 per metre ​

Answer 1

Answer:

₹ 6600

Step-by-step explanation:

Sides are 20 m, 12 m and 12 m

2D Shape with three sides ⇒ triangle

Perimeter of a triangle = sum of all sides

Perimeter(boundary) of the garden = 20 m + 12 m + 12 m

= 44 m

Perimeter of the garden = 44 m

Cost of fencing (in per metre) = ₹150

Total cost of fencing = ₹150 × 44 m

= ₹(150 × 44)

= ₹ 6600

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