Quiz about Areas Related To Circles

Question 1

Find the circumference of a circle with a radius of $$4.2 ~cm$$

Accepted Answer

Covalent bond

Answer

$$34.6 cm$$

Answer

$$24.6 cm$$

Answer

$$21.6 cm$$

Answer

$$31.6 cm$$

Question 2

A horse is tied to a pole with $$28 {m}$$ long string. Find the area where the horse can graze.

Accepted Answer

Covalent bond

Answer

$$2224 ~m^2$$

Answer

$$2914 ~m^2$$

Answer

$$2464 ~m^2$$

Answer

$$2214 ~m^2$$

Question 3

A horse is placed for grazing inside a rectangular field $$40 ~m$$ by $$36 ~m$$ and is tethered to one corner by a rope $$14 ~m$$ long. Over how much area can it graze?

Accepted Answer

Covalent bond

Answer

$$124 ~m^2$$

Answer

$$134 ~m^2$$

Answer

$$154 ~m^2$$

Answer

$$164 ~m^2$$

Question 4

A sector of the circle of radius $$4 ~cm$$ subtends an angle of $$30^{\circ} .$$ Find the area of the sector.

Accepted Answer

Covalent bond

Answer

$$34.9 {~cm}^{2}$$

Answer

$$24.9 {~cm}^{2}$$

Answer

$$14.9 {~cm}^{2}$$

Answer

$$4.9 {~cm}^{2}$$

Question 5

In circle of radius $$6 ~cm.$$ Chord of length $$10 ~cm$$ makes an angle of $$110^{\circ}$$ at the centre of circle. Find Circumference of the circle

Accepted Answer

Covalent bond

Answer

$$47.7 {~cm}$$

Answer

$$37.7 {~cm}$$

Answer

$$57.7 {~cm}$$

Answer

$$67.7 {~cm}$$

R D Sharma Areas Related To Circles Cbse Class 10 Maths Problems and Solutions

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