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प्रश्न
If P = perimeter of a rectangle, l= its length and b = its breadth find b, if P = 88 cm and l = 24 cm
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उत्तर
Perimeter of a rectangle = 88 cm
Length (l) = 24 cm
Let breadth = b
P = 2(l + b)
b =`"P"/2-"l"`
b = `88/2-24`
= 44 − 24
= 20 cm
∴ Breadth of a rectangle = 20 cm
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