Algebraic Expressions in Area of Polygons

Q.

The area of a square is 225 sq cm. Can you find the length of each side of the square?

1. 124 cms

2. 144 cms

3. 24 cms

4. 15 cms

Q.

The area of a square is 16 ${cm}^2$. Find its side length.

1. 20 cm²

2. 16 cm²

3. 36 cm²

4. 24 cm²

Q.

The area of a square is 576 sq cm. Can you find the length of each side of the square?

1. 124 cms

2. 24 cms

3. 144 cms

4. 14 cms

Q. The area of a rectangle with length $3xcm$ and breadth $2ycm$ is

1. $=4xyc{m}^2$
2. $=6xyc{m}^2$
3. $=2xyc{m}^2$

Q.

The area of a rectangle of length 11 cm and width equal to half its length will be

1. 22 $c{m}^2$

2. 33 $c{m}^2$

3. 0.065 $c{m}^2$

4. 60.5 $c{m}^2$

Q. Find the length of the rectangle whose area and breadth are $40x^2$$y^3$ and $8x{y}^2$, respectively.

Q.

Given the length of a rectangle is $l$ and breadth is $b$. Express its area in terms of $l$ and $b$.

1. 36 cm

2. 26 cm

3. 6 cm

4. 12 cm

Q. The area of a triangle is equal to $175c{m}^2$. Find the height of the triangle if its base = $14cm$.
Given: Area of a triangle = $\frac{1}{2}\times base\times height$.

1. 15cm
2. 20cm
3. 25cm
4. 30cm

Q. The area of a rectangle is equal to $96c{m}^2$. If the breadth of the rectangle is $6$ cm, then find its length.

1. 17cm
2. 13cm
3. 15cm
4. 16cm

Q. If the length and breadth of a rectangle is 3.4 cm and 8.5 cm respectively, then the area of the rectangle is square cm.

1. 28.9
2. 29.6
3. 28.5

Q. If the base of a triangle is $4xcm$ and its altitude is $3cm$, then the area of the given triangle is

1. $2xc{m}^2$
2. $6xc{m}^2$
3. $4xc{m}^2$
4. $12xc{m}^2$

Q.

The area of a rectangular board is 36 ${cm}^2$. If its breadth is 4 cm, what is the length of the board?

1. 9 cm

2. 4 cm

3. 26 cm

4. 12 cm

Q. The area of a square is equal to $144m{m}^2$. Find the length of its side.

1. 17cm
2. 14cm
3. 13mm
4. 12mm

Q.

State True or False.
The area of the rectangle with length 11 cm and width equal to half its length will be 60.5 $c{m}^2$.

1. 22 cm²

2. 33 cm

Q.

The area of the rectangle with length 11 cm and width equal to half the length is:

1. 22 cm²

2. 33 cm

3. 60.5 cm

4. 60.5 cm²

Q.

The area of a square is 576 sq cm. Can you find the length of each side of the square?

1. 124 cms

2. 144 cms

3. 24 cms

4. 14 cms

Q. The area of a rectangle with length $3xcm$ and breadth $2ycm$ is

1. $=4xyc{m}^2$
2. $=6xyc{m}^2$
3. $=2xyc{m}^2$

Q. If the base of a triangle is $4xcm$ and its altitude is $3cm$, then the area of the given triangle is

1. $2xc{m}^2$
2. $6xc{m}^2$
3. $4xc{m}^2$
4. $12xc{m}^2$

Q. If the base of a triangle is $4xcm$ and its altitude is $3cm$, then the area of the given triangle is

1. $2xc{m}^2$
2. $6xc{m}^2$
3. $4xc{m}^2$
4. $12xc{m}^2$

Q. Find the area of rectangle whose length is 5.7 cm and breadth is 3 cm.

Q. The length of a rectangle is 17 cm and its width is 6 cm less than its length. The area of the rectangle is .

Q. Find the area of a rectangle whose:
Length $=15cm$ breadth $=6.4cm$