Mathematics
In the given figure, PQ, PR and ST are tangents to the same circle. If ∠P = 40° and ∠QRT = 75°, find a, b and c.
Related Questions
AB is a diameter of a circle with centre O. Chord CD is equal to radius OC. AC and BD produced intersect at P. Prove that : ∠APB = 60°.
In the given figure, AC = AB and ∠ABC = 72°. OA and OB are two tangents. Determine :
(i) ∠AOB
(ii) angle subtended by the chord AB at the center.
In the given figure, ∠ABC = 90° and BC is diameter of the given circle. Show that :
(i) AC × AD = AB2
(ii) AC × CD = BC2
In the given figure, AB, BC and CA are tangents to the given circle. If AB = 12 cm, BC = 8 cm and AC = 10 cm, find the lengths of AD, BE and CF.
