Question

perimeter and length of a rectangle are 56 cm and 17 cm respectively.find breadth of rectangle.​

Answer 1

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Given:-

Perimeter = 56cm

Length = 17cm

∴ Perimeter of the rectangle = 2(l+b)

56 ⇒ 2(17+b)

28 ⇒ 17b

b ⇒ (28 - 17)

b ⇒ 11cm

∴ Area of the rectangle = (l×b)

⇒ (17×11)cm²

⇒ 187cm²

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Answer 2

Since, Perimeter = 56 cm and length = 17 cm

Breadth = ?

Let breadth be b

Perimeter of rectangle = 2 (length + breadth)

56 = 2 (17 + b)

56 = 34 + 2b

56 - 34 = 2b

22 = 2b

b = 22/2

b = 11

Hence, breadth = 11 cm

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