All question answer
Refer the following links for the answer similar to your query :
(1).
https://www.meritnation.com/ask-answer/question/the-length-of-a-tangent-from-a-point-a-at-distance-5-cm/circles/6294127
(3).
https://www.meritnation.com/ask-answer/question/two-tangents-bc-and-bd-are-drawn-to-a-circle-with-centre-o/circles/542901
(4).
https://www.meritnation.com/ask-answer/question/the-incircle-of-a-triangle-abc-touches-the-side-bc-ca-ab-at/circles/6709929
(5).
https://www.meritnation.com/ask-answer/question/prove-that-the-tangents-at-the-extremities-of-any-chord-make/circles/1758095
(6).
https://www.meritnation.com/ask-answer/question/1-find-the-probability-that-a-non-leap-year-selected-at-ran/math/3950609
(7).
https://www.meritnation.com/ask-answer/question/prove-that-af-bd-ce-ae-cd-bf-1-2-perimet/circles/1779398
(1).
https://www.meritnation.com/ask-answer/question/the-length-of-a-tangent-from-a-point-a-at-distance-5-cm/circles/6294127
(3).
https://www.meritnation.com/ask-answer/question/two-tangents-bc-and-bd-are-drawn-to-a-circle-with-centre-o/circles/542901
(4).
https://www.meritnation.com/ask-answer/question/the-incircle-of-a-triangle-abc-touches-the-side-bc-ca-ab-at/circles/6709929
(5).
https://www.meritnation.com/ask-answer/question/prove-that-the-tangents-at-the-extremities-of-any-chord-make/circles/1758095
(6).
https://www.meritnation.com/ask-answer/question/1-find-the-probability-that-a-non-leap-year-selected-at-ran/math/3950609
(7).
https://www.meritnation.com/ask-answer/question/prove-that-af-bd-ce-ae-cd-bf-1-2-perimet/circles/1779398