1. Find the perimeter of the rectangles with the given lengths and
breadths.
a. Length = 25 cm and breadth = 35 cm
b. Length = 11 cm and breadth = 12.5 cm
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a. Perimeter of rectangle = 2( l + b)
= 2 (25+35)
= 2 × 60
= 120 cm
b. Perimeter of rectangle = 2( l + b)
=2 (11+12.5)
= 2 × 23.5
= 47 cm
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