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_________.
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Answer:
21cm
Step-by-step explanation:
Let the Breadth be x and length be 3x
Breadth is 7cm
If x = 7 cm
Then,
3x = 3(7)
= 21cm
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