Mathematics
PQ is a tangent to a circle at point P. Centre of the circle is O. If ΔOPQ is an isosceles triangle, then ∠QOP =
30°
60°
45°
90°
Related Questions
If two tangents are drawn from an external point to a circle, then the tangents are equally inclined to the line joining the point and the centre of the circle, i.e., the centre lies on the of the angle between the two tangents.
perpendicular
bisector
perpendicular bisector
none of these
From a point M, the length of the tangent to a circle is 24 cm and the distance of M from the centre is 25 cm. The radius of the circle is :
7 cm
12 cm
24.5 cm
12.5 cm
In the figure XY and XZ are tangents at points Y and Z respectively to a circle with centre O. If C is a point on the circle and ∠ZXY = 40°, then ∠ZCY = ?
80°
70°
140°
40°
In the given figure, if sides AB, BC, CD and DA of a quadrilateral ABCD touch a circle at points P, Q, R and S respectively, then CR + PB =
BC
AB
CD
AD
