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:
Answers
Answered by
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Let the length of rectangle be x
3/1 = x/7
By cross multiplication
7*3 = x*1
21 = x
X = 21cm
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Anonymous:
21 is the answer
Answered by
1
Given,
The length and breadth of a rectangle are in ratio of 3:1. The breadth of the rectangle is 7 cm.
To Find,
The length of the rectangle.
Solution,
Let the length of the rectangle be x cm.
Now, the ratio of length:breadth is given as 3:1.
So,
Length/breadth = 3/1
x/7 = 3/1
x = 7(3)
x = 21 cm
Hence, the length of the rectangle is 21 cm.
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