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The question consists of two statements, namely, Assertion (A) and Reason (R). For selecting the correct answer:
Assertion (A) | Reason (R) |
The circle drawn taking any one of the equal sides of an isosceles right triangle as diameter bisects the base. | The angle in a semicircle is 1 right angle. |
The question consists of two statements, namely, Assertion (A) and Reason (R). For selecting the correct answer:
Assertion (A) | Reason (R) |
The radius of a circle is 10 cm and the length of one of its chords is 16 cm. Then, the distance of the chord from the centre is 6 cm. | The perpendicular from the centre of a circle to a chord (other than the diameter) bisects the chord. |
The question consists of two statements, namely, Assertion (A) and Reason (R). For selecting the correct answer:
Assertion (A) | Reason (R) |
In a circle of radius 13 cm, there is a chord of length 10 cm at a distance of 12 cm from the centre of the circle. | A unique circle can be drawn to pass through three give non – collinear points. |
The question consists of two statements, namely, Assertion (A) and Reason (R). For selecting the correct answer:
Assertion (A) | Reason (R) |
In the given figure, ∠ABC = 70° and ∠ACB = 30°. Then, ∠BDC = 70°. | In the given figure, ∠AOC = 130°, then ∠ABC = 115°. |
The question consists of two statements, namely, Assertion (A) and Reason (R). For selecting the correct answer:
Assertion (A) | Reason (R) |
A cyclic parallelogram is a square. | Diameter is the largest chord in a circle. |
The question consists of two statements, namely, Assertion (A) and Reason (R). For selecting the correct answer:
Assertion (A) | Reason (R) |
If two circles intersect at two points, then the line joining their centres is perpendicular to the common chord. | The perpendicular bisectors of two chords of a circle intersect at its centre. |
Match the following columns:
Column I | Column II |
(a) Angle in a semicircle measures | (p) 40^{o} |
(b) In the given figure, O is the centre of a circle. If ∠AOB = 120°, then ∠ACB = ? | (q) 80^{o} |
(c) In the given figure, O is the centre of a circle. If ∠POR = 90° and ∠POQ = 110°, then ∠QPR = ? | (r) 90^{o} |
(d) In cyclic quadrilateral ABCD, it is given that ∠ADC = 130° and AOB is a diameter of the circle through A, B, C and D. Then, ∠BAC = ? | (s) 60^{o} |
The correct answer is:
(a) – ……, (b) – ………,
(c) – …….., (d) – ………,