Question

Each side of a square pieces of cardboard is 30 cm what is the area of the board how many square of side 3 cm can be cut out of it

Answer 1

Answer:

30/4=7.5

find area=7.5*7.5=56.25Step-by-step explanation:

Answer 2

Answer: A square cardboard of side = 30cm

Now the area of it = side × side

= 30 × 30

= 900 sq cm

The area of small square which had to be cutted = 3 cm

Area of it = 3 × 3

= 9 sq cm

Now no of square of 3 cm can be cutted = 900 ÷ 9

= 100 square

Hope it will help you

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