Question

the ratio of sides of triangle is 13 ratio 14ratio15 its perimeter is 84 cm find the area of triangle

Answer 1

13x+14x+15×=84
42x=84
×=84/42
×=2

Answer 2

Let the First Side of triangle = 13x
let the second Side of Triangle = 14x
Let the third Side of Triangle = 15x
So,
Sum of All sides of Triangle = 84 cm
13x + 14x + 15x = 84 cm
42x = 84 cm
x = 84 ÷ 42
x = 2 cm

thus ,. The length of first Side = 2 x 13 = 26
lenght of secind side =2 x 14 =28
length of third side = 2 x 15 = 30