Question

The sides of triangle are in the ratio of 1:2:3. If the perimeter is 42 cm, find its sides​

Answer 1

Answer:

1= 7

2= 14

3= 21

Step-by-step explanation:

1=07

2=14

3= 21

Answer 2

Answer:

Let the ratios be 1x, 2x, 3rd

then 1x+2x+3x = 42

6x=42

x=42÷6

=7

1x= 1×7= 7

2x= 2×7=14

3x= 3×7= 21

Therefore 7+14+21=42