Geometry help please :)

Algebra
Tutor: None Selected Time limit: 1 Day

Apr 25th, 2015

If a secant segment and tangent segment are drawn to a circle from the same external point, the product of the length of the secant segment and its external part equals the square of the length of the tangent segment.

So,

XZ*YZ=WZ^2

(3+1)*1=WZ^2

4=WZ^2

WZ^2=4

WZ=4^{1/2}

WZ=2


ANSWER:   D)   2

Apr 25th, 2015

Studypool's Notebank makes it easy to buy and sell old notes, study guides, reviews, etc.
Click to visit
The Notebank
...
Apr 25th, 2015
...
Apr 25th, 2015
Dec 8th, 2016
check_circle
Mark as Final Answer
check_circle
Unmark as Final Answer
check_circle
Final Answer

Secure Information

Content will be erased after question is completed.

check_circle
Final Answer