Visualising Square Root of a Number

Q.

The perimeters of two squares are 40 cm and 32 cm. Find the perimeter of a third square whose area is equal to the difference of the areas of the two squares.

1. 28 cm

2. 14 cm

3. 34 cm

4. 24 cm

Q. $\sqrt{2}$ lies between on the number line.

1. 0 and 1
2. 1 and 2
3. 2 and 3

Q. If ABCD is a square with area $25c{m}^2$, then the length of each side is _____________.

1. 5 cm
2. 25 cm
3. 15 cm
4. 18 cm

Q.

Distance between $\sqrt{2}$ & -$\sqrt{2}$ on the number line approximately is _____________.

1. 1.4 units

2. 2.8 units

3. 4.2 units

4. 8.4 units

Q. $\sqrt{2}$ lies between on the number line.

1. 0 and 1
2. 1 and 2
3. 2 and 3

Q. If ABCD is a square with area $36c{m}^2$, then the length of each side is _____________.

1. 56 cm
2. 6 cm
3. 16 cm
4. 36 cm

Q. $\sqrt{2}$ lies between on the number line.

1. 0 and 1
2. 1 and 2
3. 2 and 3

Q.

Where would the number $\sqrt{2}$ lie on the number line?

1. None of the above

2. between 0 and 1

3. between 1 and 2

4. between 2 and 3

Q. Upon adding a rational number and an irrational number, we get a/an ______ number.

1. whole
2. irrational
3. negative
4. rational

Q. is an irrational number.

1. $2\sqrt{3}$
2. $0.1\overline{32}$
3. $5.\overline{46}$

Q. What is the additive identity of irrational numbers?

1. 0
2. pi
3. 2
4. 1

Q. $\sqrt{2}$ lies between on the number line.

1. 0 and 1
2. 1 and 2
3. 2 and 3