2D Shapes

Q.

Each angle in a rectangle is a ____.

1. Complete angle

2. Right angle

3. Straight angle

4. Reflex angle

Q.

Find the area of square whose perimeter is $84cm.$

Q.

A rectangle has ___ sides equal.

1. all

2. three

3. opposite

4. adjacent

Q.

A quadrilateral with all sides and all angles equal is:

1. Square

2. Rectangle

3. Triangle

4. Pentagon

Q.

How many acute angles does a rectangle have?

1. 4

2. 2

3. 0

4. 6

Q.

What is the line that divides a shape into two identical halves?

Q.

Number of pairs of equal sides in a rectangle is

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

Q.

Say true or false: The diagonals of a square are perpendicular.

1. True
2. False

Q.

If a rectangle is cut into two equal triangles, what will be the area of each triangle?

1. Twice the area of the rectangle.
2. Half the area of the rectangle.
3. Thrice the area of the rectangle.
4. None of the above.

Q.

Which of the following is a 2D shape?

1. Cube

2. Sphere

3. Rectangle

4. Cylinder

Q.

State true or false.
A 2D shape has only two dimensions that are length and breadth.

1. False

2. True

Q. What is the perimeter of a rectangle with length 10 cm and breadth 5 cm?

1. 20 cm
2. 30 cm
3. 40 cm
4. 25 cm

Q. I am two-dimensional and have three corners and three sides. What shape am I?

1. Rectangle
2. Triangular prism
3. Triangle
4. Square

Q.

5. Write the names of the following polygon.

Q.

How many tiles, square in the shape of side $16cm$, will be required to pave a rectangle of dimensions $6.4m\times 5m$?

Q.

If the perimeter of a square is $50cm,$then its side is

1. $200cm$

2. $150cm$

3. $25cm$

4. $12.5cm$

Q. A shape has only two dimensions, namely length and breadth.

1. 1D
2. 2D
3. 3D

Q.

A ______ is a skeleton outline in two dimensions, which when folded results in a three dimensional figure.

Q.

If p squares of each side $1mm$ makes a square of side $1cm$, then $p$ is equal to

1. $10$

2. $100$

3. $1000$

4. $10000$

Q.

An exercise mat is $3.3$ times as long as it is wide. Write expressions in simplest form that represent the perimeter and the area of the exercise mat.

Q.

Find the side of the square whose perimeter is $24cm$

Q.

The side AB of a square ABCD is given 5 cm. What is the length of side CD?

1. 3 cm
2. 25 cm
3. 5 cm
4. 10 cm

Q.

How many square tiles of side $14cm$ will be required to pave the floor of a rectangular room of $9.8m\times 6.4m?$

Q. What will be the area of the blue triangle in the given square?

1. 8 sq.cm
2. 9 sq.cm
3. 10 sq.cm
4. 11 sq.cm

Q. The perimeter of a square of side 50 cm is 300 cm.

1. True
2. False

Q.

How many right angles does the inside of a rectangle have?

1. 2

2. 4

3. 6

4. 8

Q. Which of the following statements is true?

1. An open figure is a figure which has one end.
2. Triangle is an open figure.
3. Closed figure is a figure which has no open ends.
4. All the polygons except triangle are open figures.

Q.

In a square, sum of adjacent angles is $360°$.

1. True
2. False

Q. How much is the space occupied by the figure, if the area of each grid is $2c{m}^2$?.


Assumptions to be considered while counting grids:
$\bullet$ 1 complete grid = 1 full grid
$\bullet$ More than half grid = 1 full grid
$\bullet$ Less than half grid = 0 grid
$\bullet$ Exactly half grid = 0.5 grid

1. $7c{m}^2$
2. $8c{m}^2$
3. $10c{m}^2$
4. $6c{m}^2$

Q.

Find the perimeter of the squares with sides as follows:

$25$ $\mathrm{mm}$