Question

In the figure below, PT and ST are two secants. If O is the centre of the circle and PQ = 2QT = 8 cm, OS = 5 cm, then what is the measure of the line OT? (Figure not drawn to scale)

• A. $\sqrt{54}\;cm$
• B. $\sqrt{60}\;cm$
• C. 8 cm
• D. $\sqrt{73}\;cm$
• E. $\sqrt{80}\;cm$

Answer 1

Answer: (D)

$\sqrt{73}\;cm$

Answer 2

The correct answer is option (D): $\sqrt{73}\;cm$