Question

Three friends Sunita, Reshma , Neerja decided to prepare triangular slide dimensions for 14 m , 15 m and 13 m to display in a park of their colony the message " Keep the park clean and green". They also want to paint the backside of this slide at the cost of rupees 5 per square metre and share the cost equally among themselves. Find the share of each in the cost. (a) Rupees 100 (b)Rupees 120 (c) Rupees 84 (d)Rupees 140​

Answer 1

Answer:

d)rs 140

Step-by-step explanation:

area of triangle is to be found by heron formula = 84 m

cost 5 per m²

5×84 = 420rs

share the cost equally = 420/3 = 140 rs -Ans

Answer 2

Three friends Sunita, Reshma , Neerja decided to prepare triangular slide dimensions for 14 m , 15 m and 13 m to display in a park of their colony the message " Keep the park clean and green". They also want to paint the backside of this slide at the cost of rupees 5 per square metre and share the cost equally among themselves. Find the share of each in the cost. (a) Rupees 100 (b)Rupees 120 (c) Rupees 84 (d)Rupees 140

Answer : ₹ 140