Power Theorems

Question 1

Secant secant power theorem

Answer 1

Length outside the circle times the whole length of secant is equal to the same (look above) of other secant

Question 2

Secant tangent power theorem

Answer 2

The tangents length squared is equal to the length of the segment outside the circle times the whole tangent length

Question 3

Chord chord power theorem

Answer 3

Form butterfly triangle. Intersecting lengths are congruent