Default Title

Question (1)

QN009418

A line segment joining any two points on a circle is called:

(A) Radius
(B) Diameter
(C) Chord
(D) Arc

Correct Answer: C

Explanation:

A line segment joining two points on a circle is called a chord.

Link:

Report Error

Question (2)

QN009419

Equal chords of the same circle subtend:

(A) Unequal angles at the centre
(B) Equal angles at the centre
(C) Right angles at the centre
(D) Straight angles at the centre

Correct Answer: B

Explanation:

Equal chords subtend equal angles at the centre.

Link:

Report Error

Question (3)

QN009420

A chord passing through the centre of a circle is called:

(A) Radius
(B) Arc
(C) Diameter
(D) Sector

Correct Answer: C

Explanation:

A diameter is a chord passing through the centre.

Link:

Report Error

Question (4)

QN009421

In a circle of radius 10 cm, a chord is at a perpendicular distance of 6 cm from the centre. The length of the chord is:

(A) 8 cm
(B) 12 cm
(C) 16 cm
(D) 20 cm

Correct Answer: C

Explanation:

Half chord = √(10²−6²)=8 cm, so chord length = 16 cm.

Link:

Report Error

Question (5)

QN009422

The longest chord of a circle is always:

(A) Radius
(B) Diameter
(C) Arc
(D) Tangent

Correct Answer: B

Explanation:

Diameter is the longest chord of a circle.

Link:

Report Error

Question (6)

QN009423

If two chords of a circle are equal, then their distances from the centre are:

(A) Unequal
(B) Equal
(C) Double
(D) Zero

Correct Answer: B

Explanation:

Equal chords are equidistant from the centre.

Link:

Report Error

Question (7)

QN009424

The angle subtended by a diameter at any point on the circle is:

(A) 45°
(B) 60°
(C) 90°
(D) 180°

Correct Answer: C

Explanation:

Angle in a semicircle is always 90°.

Link:

Report Error

Question (8)

QN009425

In a circle, a chord subtends an angle of 80° at the centre. The angle subtended by the same chord at a point on the remaining part of the circle is:

(A) 20°
(B) 40°
(C) 80°
(D) 160°

Correct Answer: B

Explanation:

Angle at circumference = half of angle at centre = 40°.

Link:

Report Error

Question (9)

QN009426

If two chords subtend equal angles at the centre of a circle, then the chords are:

(A) Parallel
(B) Perpendicular
(C) Equal
(D) Diameters

Correct Answer: C

Explanation:

Chords subtending equal angles at the centre are equal.

Link:

Report Error

Question (10)

QN009427

The perpendicular from the centre of a circle to a chord:

(A) Doubles the chord
(B) Bisects the chord
(C) Is parallel to the chord
(D) Makes 45° with the chord

Correct Answer: B

Explanation:

Perpendicular from the centre bisects the chord.

Link:

Report Error

Question (1)

A line segment joining any two points on a circle is called:

Explanation:

Link:

Question (2)

Equal chords of the same circle subtend:

Explanation:

Link:

Question (3)

A chord passing through the centre of a circle is called:

Explanation:

Link:

Question (4)

In a circle of radius 10 cm, a chord is at a perpendicular distance of 6 cm from the centre. The length of the chord is:

Explanation:

Link:

Question (5)

The longest chord of a circle is always:

Explanation:

Link:

Question (6)

If two chords of a circle are equal, then their distances from the centre are:

Explanation:

Link:

Question (7)

The angle subtended by a diameter at any point on the circle is:

Explanation:

Link:

Question (8)

In a circle, a chord subtends an angle of 80° at the centre. The angle subtended by the same chord at a point on the remaining part of the circle is:

Explanation:

Link:

Question (9)

If two chords subtend equal angles at the centre of a circle, then the chords are:

Explanation:

Link:

Question (10)

The perpendicular from the centre of a circle to a chord:

Explanation:

Link:

Excel With Tutors

ExcelWithTutors

For Student

For Tutors

Learn

OUR POLICY