Question

Three square tiles of side 15cm are placed side by side to form a rectangle. Find the perimeter of the rectangle formed.

Answer 1

perimeter =2(l+b)
rectangular length=15+15+15cm
rectangular breadth =15 cm
=2(45+15)
=2×60
120 cm
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Answer 2

Dear Student,

◆ Answer -

Perimeter of the rectangle = 120 cm

● Explanation -

Three tiles have to be arranged end to end to form a rectangle. So one side of rectangle is 15 cm and its other side is 15×3 = 45 cm.

Perimeter of the rectangle formed is -

Perimeter of rectangle = 2 (length + breadth)

Perimeter of the rectangle = 2 (45 + 15)

Perimeter of the rectangle = 2 (45 + 15)

Perimeter of the rectangle = 2 × 60

Perimeter of the rectangle = 120 cm

Hence, the perimeter of the rectangle formed is 120 cm.

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