Question

the ratio of the sides of the triangle is 2:3:4 and their perimeter is 270 cm find its area

Answer 1

Answer:

Step-by-step explanation:

ratio=2:3:4

therefore 2x+3x+4x=270cm

from this 9x=270

                  x=270/9

                   x=30

2x=2 x 30=60

3x=3 x 30 =90

4x=4 x30=120

area of triangle=1/2 x 60 x120=3600cm^2              

Answer 2

Step-by-step explanation:

Let the 3 sides be 2x 3x and 4x

Given, P=270cm

P=a+b+c

270=9x

x=30 cm

2x=60 cm

3x=90cm

4x=120cm

Semi perimeter = a+b+c/2

= 60+90+120/2= 270/2 = 135 cm

Area is found using Heron's Formula

Pls refer attachment for method

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