Question

- VW Tidly us
3. What can be the possible one's digit of the square root of 9801 ?
4. A square board has an area of 144 square units. How long is each side of the board?
14​

Answer 1

Answer:

3. the possible digits are 1 and 9

4. length of each side of board = 12 units

Answer 2

3. The possible digits are : 1 and 9

4. Area = 144

${side}^{2} = 144$

$side = \sqrt{144}$

Each side of the board is 12 cm