Question

The lengths of the sides of a triangle are in the ratio of 3 ratio 4 ratio 5 and it’s perimeter is 60 cm. Find it’s area.

Answer 1

Answer:

Let numbers be 3x, 4x, and 5x.

3x + 4x + 5x = 60

12x = 60

x = 60/12

x = 5

3x = 3 (5)

15

4x = 4 (5)

20

5x = 5 (5)

25

Therefore, the length if sides are 15cm , 20cm , 25cm.

Step-by-step explanation:

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Answer 2

Answer:

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Step-by-step explanation:

let the length be 3x, 4x,5x

so 3x+4x+5x= 60

X=60/12

X=5cm

so the sides are 3*5=15cm

4*5=20cm

5*5=25cm