The perimeter of a rectangle is 60 cm and its length is 20 cm. What is the breadth of the rectangle?a) 10 cmb) 15 cmc) 20 cmd) 25 cm
Question
Solution 1
The formula for the perimeter of a rectangle is 2*(length + breadth).
Given that the perimeter is 60 cm and the length is 20 cm, we can substitute these values into the formula:
60 = 2*(20 + breadth)
Solving for breadth, we get:
60 = 40 + 2*breadth
Subtract 40 from both sides:
20 = 2*breadth
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