Question

find the perimeter and the area of the square ABCD , if its one side equals (I) 30cm (II) 22 cm (III) 1.8 (IV) 3.7 cm

Answer 1

Answer:

1. side = 30 cm

area of square = side × side

= 30 × 30

= 900 cm2

perimeter of square = 4 × side

= 4 × 30

= 120cm

2. side = 22 cm

area of square = side × side

= 22 × 22

= 484 cm2

perimeter of square = 4 × side

= 4 × 22

= 88 cm

3. side = 1.8 cm

area of square = side × side

= 1.8 × 1.8

= 3.24 cm2

perimeter of square = 4 × side

= 4 × 1.8

= 7.2 cm

4.side = 3.7 cm

area of square = side × side

= 3.7 × 3.7

= 13.69 cm2

perimeter of square = 4 × side

= 4 × 3.7

= 14.8cm

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