How to divide 6 cm in 1:4:2 ?

Division of 6 cm in the ratio 1 : 4 : 2
---> 6/7 : 24/7 : 12/7...Show more

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7 parts__________6 cm
1 part___________6/7 cm = 60/7 mm = 8 4/7 mm
4 parts__________24/7 cm = 240/7 mm= 34 2/7 mm
2 parts__________12/7 cm = 120/7 mm = 17 1/7 mm...Show more

1:4:2 has 1 + 4 + 2 = 7 parts.

Each part is 1/7 x 6 = 6/7

1 part = 6/7
4 parts = 4 x 6/7 = 24/7 = 3 3/7
2 parts = 2 x 6/7 = 12/7 = 1 5/7...Show more

1 + 4 + 2 = 7 is seven parts, so one part is 6/7 cm.
This gives us 6/7 cm, 24/7 cm, and 12/7 cm....Show more

x + 4x + 2x = 6
7x = 6
x = 6/7

6/7 : 24/7 : 12/7...Show more