Measurements

Q. What is class width?

Q. The area of a square of side $a$ is given by:

1. 4a
2. 2a
3. $a^2$
4. $2a^2$

Q. A known quantity that has a fixed value is called:

1. variable
2. constant
3. expression
4. equation

Q.

What is the difference between Metrology and Mensuration?

Q. Area of a square of side 's' is _______ .

1. 2s
2. 4s
3. s x s
4. s x s x s

Q. The perimeter of a rectangle of length $l$ and breadth $b$ is given by:

1. $2(l+b)$
2. $4(l+b)$
3. $l\times b$
4. $l^{2}b$

Q. A known quantity that has a fixed value is called a ______.

1. variable
2. equation
3. expression
4. constant

Q. A known quantity that has a fixed value is called a ______.

1. equation
2. variable
3. expression
4. constant

Q. If the small squares are of unit area, which crazy shape represents an area of $31$ square units?

1. 
2. 
3. 
4. (a) and (c) above.

Q. Square B is inside square A.

The area of square $A$ is $\frac{6}{7}{m}^2$, and the area of square $B$ is $\frac{1}{6}{m}^2$. The area between square $A$ and square $B$ is _________.

Q. A known quantity that has a fixed value is called:

1. variable
2. constant
3. expression
4. equation

Q. A known quantity that has a fixed value is called a ______.

1. variable
2. expression
3. equation
4. constant