Question

L is equal to 3 cm long and lengths of lines and and and three fourth of the length of l r m and n =

Answer 1

Answer:

Step-by-step explanation:

l=3cm

let m=3x and n=4x

3x ×3=4x ×3

9x=12x

x ÷x=12÷9

x=3

Answer 2

Answer:

Step-by-step explanation:

l=3cm

let m=3x and n=4x

3x ×3=4x ×3

9x=12x

x ÷x=12÷9

x=3