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

A sector of a circle of radius $$8 ~cm$$ subtends an angle of $$135^{\circ} .$$ Find the area of sector.

Accepted Answer

Covalent bond

Answer

$$\frac{428}{7} {~cm}^{2}$$

Answer

$$\frac{228}{7} {~cm}^{2}$$

Answer

$$\frac{528}{7} {~cm}^{2}$$

Answer

$$\frac{328}{7} {~cm}^{2}$$

Areas Related To Circles Cbse Class 10 Maths Problems and Solutions

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