Copy and complete the following table ?
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Step-by-step explanation:
(1) Length = 5m
Breadth = ?
Area = 15 m
Perimeter =
Breadth = Area / length
= 15 /5
= 3
perimeter = 2( l +b)
= 2(5 + 3)
= 2 * 8
= 16m
(2) Length = 5 cm
Breadth = ?
Area = ?
perimeter= 24
Perimeter = 2(l+b)
24 = 2( 5 + b)
24 /2 = 5 +b
12 - 5 = b
breadth = 7cm
Area = l * b
= 5 *7
= 35 cm
(3) length = ?
breadth = 9.5 cm
Area = ?
perimeter = 49 cm
perimeter = 2(l+b)
49 = 2( l + 9.5)
49 /2 = l + 9.5
24.5 - 9.5 = l
15 = l
area = l *b
= 15 * 9.5
= 142.5
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