Question

The length and breadth of a rectangle are in the ratio 3 : 1. If the breadth is 7 cm, then the length of the rectangle is:

(i) 14 cm; (ii) 16 cm; (iii) 18 cm; (iv) 21 cm
PLEASE WRITE IN ORDER​

Answer 1

Answer:

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Step-by-step explanation:

let u.q be x.

length=3x

breadth=x

✓

breadth = 7cm = x.

x=7

3x=3*7=21

length=3x=21cm.

Answer 2

Answer:

21 cm

Step-by-step explanation:

length=3x

breadth=x

breadth = 7cm = x.

x=7

3x=3*7=21

length=3x=21cm.