- In the figure, x=………
A.9 B.10 C.11
D.12 E.13 - Given the two circles where centers O and Q . The number of common tangents of two
circles is
A.1 B. 2 C.3 D.4 E. More then 4
12.Which of the following is (are) true?
1. A diameter of a circle is also a chord of the circle.
2. The largest chord of a circle is a diameter.
3. In a circle of radius 10 cm , no chord has length 15 cm.
A. 1 only B. 2 only C. 3 only D. 1 and 2 only E. 2 and 3 only
13.In the figure , O is the centre of the circle and AOD is a diamerer.
If ∠CBD=38° , then ∠ADC=………
A. 62° B. 42° C. 32°
D. 22° E. 52°
14.In circle O , AC is a diameter , PA is a tangent at A, and PBC is a secant meeting the circle
at B and C . If the radius of the circle is 2 cm and ∠APB = 30°, then the length of the tangent
PA , in cm is
3 C. 48 D. 8 E. 22
- x=……….
3 C. 103
3 E. 33 - The side of the quadrilateral ABCD are tangent to ⨀ O. Ab=14 cm, BC=18 cm, CD=20 cm
then AD=……….
A. 16 cm B. 15 cm C. 14 cm D. 12 cm E. 18 cm