EUCLIDEAN GEOMETRY|Theorem 8 EXERCISES|| Grade 11 & 12

Tangents drawn from the same point outside a circle are equal in length

Theorem 8

(tangents from same point)

[TitusRea]

in the first example I am confused because you are saying angle A will be 90 degrees and you calculated angle A2 and a but below angle a there is an angle there just is not indicated/small are we going to ignore it? and use A2 and a and the right angle covers all the angle from the radius to the tangent