Mensuration

Q.

Why do we study vectors?

Q.

A rectangular path of 60 m length and 3 m width is covered by square tiles of side 25 cm. How many tiles will there be in one row along its width? How many such rows will be there? Find the number of tiles used to make this path?

Q.

How many edges are there in a tetrahedron?

1. $5$

2. $6$

3. $3$

4. $4$

Q.

___ is the distance covered along the boundary forming a closed figure when we go round the figure once.

1. Perimeter

2. Any possible figure

3. Closed figure

4. Line

Q.

Figures in which all ________ and angles are equal are called regular closed figure.

1. diagonal

2. length

3. perimeter

4. sides

Q. A number that shows the size or amount of something is known as .

1. mensuration
2. measurement
3. calculation

Q.

How many sides are there in the given figure?

Q. The perimeter of the given triangle is 12 cm. Find the measure of the side AB.

1. 4

Q.

A polygon is a two-dimensional closed figure formed by straight lines.

1. False

2. True

Q.

Jasmine is making a display board for the school talent show.The display board is a $2m$by $1.5m$ rectangle.If ribbon costs $₹$$4$ per $m$, how much will it cost to add a ribbon border around the entire display board $?$

Q.

The perimeter of a regular pentagon is $30cm$. What is the length of its one side $?$

Q.

How many sides we have to cover in order to make a complete round of the given figure?

1. 4

2. 14

3. 12

4. 10

Q.

The point on the boundary of the given shape is _____.

1. $A$
2. $B$
3. $D$
4. $C$

Q. Draw a circle of radius 6 cm and mark its centre as P.
(i) Draw radii PA and PB such that ∠APB = ${45}^{\circ }$
(ii) Shade the major sector of the circle

Q. The area of mathematics which deals with measurement of geometrical shapes and figures is .

1. metrology
2. mensuration
3. arithmetic
4. algebra

Q.

Boundary of the given shape is ______.

1. $AEDCBA$
2. $AEDCB$
3. $ACEBDA$
4. $ADBECA$

Q.

Now that you have a concept of measurements and units. Can you identify the area of mathematics which deals with measurement of geometrical shapes and figures?

1. Algebra

2. Metrology

3. Arithmetic

4. Mensuration

Q.

If the perimeter of a regular pentagon is $60\mathrm{cm}$ , then its each side is

1. $10\mathrm{cm}$

2. $12\mathrm{cm}$

3. $15\mathrm{cm}$

4. $20\mathrm{cm}$

Q. The unequal sides of an isosceles triangle is $6cm$ & its perimeter $24cm$. Find its area.

Q. The perimeter of a regular pentagon is 100 cm. How long is each sides?

Q.

What all polygons can you see in this figure :

1. It is a closed figure.

2. The total number of sides can be found out.

3. Both A and B

4. None of the above.

Q. Permiter can be defined for

1. Closed figure
2. Open figure
3. Regular closed figure
4. Irregular closed figure

Q. The area of mathematics which deals with measurement of geometrical shapes and figures is .

1. metrology
2. mensuration
3. arithmetic
4. lgebra

Q.

The given figure is a combination of

1. It is a closed figure.

2. The total number of sides can be found out.

3. Both A and B

4. None of the above.

Q.

The process of estimation of the quantity of a physical entity is known as __.

Q. Draw a circle of radius 6 cm and mark its centre as P.
(i) Draw radii PA and PB such that ∠APB = ${45}^{\circ }$
(ii) Shade the major sector of the circle

Q. A number that shows the size or amount of something is known as .

1. mensuration
2. measurement
3. calculation

Q.

Which of the following options correctly describes the given figure?

1. It is a regular figure.

2. It is closed.

3. Number of sides can be found out.

4. It is an open figure.

Q. A playground which is $250$ m long and $20$ m broad is to be fenced with wire. How much wire is needed?

1. None
2. $270m$
3. $230m$
4. $540m$

Q. A closed figure which has three sides is called

1. Rectangle
2. Square
3. Triangle
4. Polygon