Question

10. The sides of a triangular field are in the ratio
5:3:4 and its perimeter is 180 m. Find :
(1) its area
(i) altitude of the triangle corresponding to its
largest side
Gil) the cost of levelling the field at the rate
of 10 per square metre.​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

ratio = 5:3:4

let constant of ratio = x

then ATQ

5x + 3x +4x = 180

12x= 180

x = 15

so sides are 5x = 5(15)= 75

3x =3(15)= 45

4x=4(15)= 60

for area use heron's formula