Question

sides of a triangle are in the ratio of 12: 17 :25 and its perimeter is 540 cm find its area​

Answer 1

Answer:

let sides of triangles a=12x b=17x & c=25x

perameter of scalene triangle = a+b+c

540 = 12x+17x+25

540=54x

x = 540/54

x = 10

.

.

a = 120 b = 170 & c=250

2s = 540

s = 540/2

s = 270

∆ = √s(s-a)(s-b)(s-c)

= √270x150x100x20

= 9000