Question:
Find the perimeters of the rectangles whose lengths and breadths are given below:
(i) 7 cm, 5 cm
(ii) 5 cm, 4 cm
(iii) 7.5 cm, 4.5 cm
Answer:
Hi there
The perimeter (PP) of a rectangle is given by the formula:
P=2×(length+breadth)
(i) For a rectangle with length 7cm and breadth 5 cm:
P1=2×(7 cm+5 cm)
P1=2×12 cm
P1=24 cm
(ii) For a rectangle with length 5 cm and breadth 4 cm:
P2=2×(5 cm+4 cm)
P2=2×9 cm
P2=18 cm
(iii) For a rectangle with length 7.5 cm and breadth 4.5 cm:
P3=2×(7.5 cm+4.5 cm)
P3=2×12 cm
P3=24 cm
Regards
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