The tangent at any point of a circle is perpendicular to the _________ through the point of contact.
Secant
Chord
Radius
None of these
The number of tangent from an external point of circle is
Only one
2
4
Infinite
The line segment joining the point of contact of two parallel tangent to a circle is a ___________ of the circle.
Diameter
PT is a tangent to the circle at a point T. PAB is a secant line, PA = 16cm AB = 9cm. Find PT.
12cm
16cm
20cm
24cm
In fig, PA = 9cm QB = 6cm, then length of PQ is
9 cm
12 cm
15 cm
18 cm
AB and AC are tangents drawn such that ∠BAC = 60o .AB = 7cm. Then length of the chord BC is _____ cm.
6 cm
7√2cm
7 cm
8 cm
PA is tangent segment from the point P to a circle with centre C. If PA = CA then ∠CPA
45o
60o
75o
90o
The tangents at the ends of a diameter of a circle are
Perpendicular
Parallel
Secant lines
The incentre of ΔABC is I. If ∠BIC = 110o and ∠B = 50o, ∠C =
60
40
55
A line that intersect a circle in two distinct point is called
Circumcircle
Tangent
Secant line
Incircle