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Math 3Name: ____________________________Unit 7 – Day 4 Assignment: Tangent & Secant LinesIn the diagram of circle O, ?is tangent to O at Q and ?is a secant.? If m∠P?= 56 and m?= 192, find m.2) Find x.3) Find x. 4) There is a circular cabinet in the dining room. Looking in from another room at point A, you estimate that you can see an arc of the cabinet about 120°. What is the measure of <A formed by the tangents to the cabinet?5) Find x if RQ is tangent to Circle S.6) m<YXZ = 82°. Find m<YRZ if R is the center of the circle.7) Find x.8) In the figure below, PR and SR are tangent to circle O. If OT = 12 cm and PR = 65 cm, what is the length of OR? (Round to 1 decimal place.) 9) Find the values of a, b, and c.-482603365500010) Find x.11) One of your friends states that XY is tangent to Circle R. Is your classmate correct? Why or why not?12) In the diagram below of circle O, PA is tangent to circle O at A, and PC is a secant with points B and C on the circle. If PA = 8 and PB = 4, what is the length of BC?13) In the accompanying diagram of circle O, PC is a tangent, PA is a secant, mAB = 132°, and mCB = 46°. Find m<P. 14) In the diagram below, secant AB intersects circle O at D, secant AC intersects circle O at E, AE = 4, AC = 24 and AB = 16. Find AD.15) BD is tangent to the small circle. If the radius of the small circle is 9 and the radius of the large circle is 14, find the length of BD. (Round to 2 decimal places.)16) If the perimeter for the triangle shown below is 100, what is x? ................
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