Question

three sides of a triangular peice of cardboard are in ratio 3: 5: 7. of the perimeter of the cardboard is 180 CM, find the length of the three sides of the cardboard​

Answer 1

Answer:

Let The Ratios be X.

Hence, The Sum of Ratio:3x+5x+7x=15x

Step-by-step explanation:

15x= 180

x= 180/15

=12

x=12

Now,

Length of I side=3x

=3 x 12=36 cm

Length of II side=5x

= 5 x 12=60 cm

Length of III side= 7x

= 7 x 12 = 84 cm.

HOPE IT HELPS....HAVE A GOOD DAY:)

Answer 2

Step-by-step explanation:

3x+5x+7x=180

15x=180

x=180/15

x=12

3x=3×12=36

5x=5×12=60

7x=7×12=84