Mathematics
Find the length of the tangent to a circle with radius 5 cm, from a point at a distance of 13 cm from its center.
Related Questions
O is the center of a circle with diameter 30 cm. P is a point outside the circle and PA is tangent of the circle. Find :
(i) the length of tangent PA; if OP = 39 cm.
(ii) the distance between O and P, if the length of the tangent PA is 20 cm.
The following figure shows a circle with center O and a diameter AB.

(i) Name the angle APB.
(ii) State the measure of angle APB.
(iii) If AP = 12 cm and OA = 10 cm; find the lengths of AB and BP.
(iv) If 4AP = 3PB = 12 cm; find the radius of the circle.
The following figure shows a circle with diameter AB and center at point O.

If angle CAB = 35°, find the measure of angle ABC.
Draw a circle with radius 3 cm and centre at point O. Draw two radii OA and OB of the circle drawn such that ∠AOB = 60°. Join A and B and measure the length of AB.