Mathematics
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
Related Questions
There are two tangents to a circle passing through a point lying outside the circle.
at least
at most
exactly
maximum
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
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perpendicular bisector
none of these
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°
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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°
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40°
