Question

The sides of a triangle are in the ratio 3: 5:7 and its perimeter is 60 cm. Find its all sides.
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Answer 1

Answer:

the sides are 12, 20 and 28

Step-by-step explanation:

3x+5x+7x = 60

15x = 60

x= 60/15

x=4

sides =

3x= 3x4 = 12

5x= 5x4 = 20

7x= 7x4 = 28

hope this helps... :)

Answer 2

Answer:

Perimeter of Triangle= Sum of all 3 sides

Let the side be "x"

3x+5x+7x= 60cm (units are always important)

15x=60 cm

X= 60/15 or x= 4cm

3x= 3x4=12 cm

5x= 5x4=20cm

7x= 7x4=28cm

Hope it helps! Please mark it as brainliest if you want!