Question

The perimiter of a rectangle is 90 centimenters.the length is 27 centimenters

Answer 1

Answer:

Perimeter of rectangle = 2(l+b)

90 cm = 2(27 cm+b)

90 cm ÷2 = 27 cm + b

45 cm = 27 cm + b

45 cm - 27 cm = b

18 cm = b

The breadth of a rectangle is 18 cm.

Answer 2

Answer:

Breadth = 18 cm

Step-by-step explanation:

Length = 27cm

Perimeter = 90cm

Breadth = ?

2 (l + b) = perimeter

2 (27 + b) = 90

27 + b = 90 ÷ 2

b = 45 - 27

b = 18

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