Question

The sides of a triangular playground with its perimeter 96 m are in the ratio 3:4:5. Find the cost of leveling it at the rate of 12 per sq. m


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Answer 1

Answer:

rs5760

Step-by-step explanation:

3x+4x+5x=96

12x=96

x=96/12

x=8

area of triangle=1/2*base*height

1/2*24*40

480

cost of levelling=480*12

                         =rs5760

Answer 2

Answer:

here is your answer

Step-by-step explanation:

perimeter of the triangle = 96 m

the sides are in the ratio

so, we will let them to be 3x, 4x, 5x

according to question,

perimeter = sum of all sides

3x + 4x+ 5x = 96

12x = 96

x = 96/12

x = 8

sides of the triangle

24, 32, 40

cost of levelling = Rs.5760

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