Question

BI) Sahil has a square note book of side 9cm.Find the perimeter.
2) The length and breadth of a rectangular table is 17cm and 11cm respectively,
find its perimeter

3) Find the area of square having side 21cm.


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Answer 1

Answer:

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Answer 2

Answer:

1. Perimeter of square = 4l = 4 × 9 = 36 cm

2. Perimeter of rectangle = 2(l + b) = 2(17 + 11) = 56 cm

3. Area of square = l² = (21)² = 441 cm²