Chapter 5) The Circle

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Q1. If the diameter of a circle is 12 cm, then its radius is ....... cm. ?

A) 12 cm
B) 6 cm
C) 1.2 cm
D) 6 m

Q2. How many diameter can be drawn to a circle?

A) infinite
B) only one
C) two
D) three

Q3. The perpendicular drawn from the center to chord of the circle .................. the chord.

A) trisect
B) bisect
C) divides
D) does not bisect

Q4. ......................... in the same circle are at an equidistance from the centre of the circle.

A) Congruent diameters
B) Congruent chords
C) The radius
D) The diameter

Q5. The radius of a circle is 5 cm. The distance of a chord from the centre is 4 cm. What is the length of the chord?

A) 4 cm
B) 5 cm
C) 2 cm
D) 6 cm

Q6. The radius of a circle is 10 cm. The distance of a chord from the centre is 8 cm. What is the length of the chord?

A) 18
B) 14
C) 12
D) 10

Q7. The end points of the chord are .................. .

A) on the circumference of the circle.
B) inside the circle.
C) one inside the circle and other outside the circle.
D) drawn thrrough centre.

Q8. Two chords are said to be congrunt chords, if both are ................ .

A) twice of diameter
B) radius
C) not of same length
D) of same length

Q9. Every circle have ......... centre.

A) three
B) two
C) one
D) infinite

Q10. Congruent chords of the same circle form ................... at the centre of the circle.

A) congruent angles
B) unequal angles
C) right angle
D) acute angle