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Question
If P denotes perimeter of a rectangle, l denotes its length and b denotes its breadth, find:
P, if l = 2 m and b = 75cm
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Solution
P, if l = 2 m and b = 75cm
`[because "b" = 75 "cm" 75/100 "m" = 0.75]`
∴ Perimeter = 2(l + b)
= 2 (2 + 0.75)
= 2 (2.75)
= 5.50 m
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