What is m ? Circles: Angle Relationships Find the measure of the arc or angle indicated. So in a circle there are 360° or 2ˇradians. 9) 110° ... Find the measure of the arc or central angle indicated. Example 2: In the diagram of circle O below, chord is parallel to diameter and m = 100. Leave answers in terms of π. 29 Day 4 – Review Day Warm – Up Example 1: In the diagram of circle O below, chord is parallel to diameter and m = 30. Assume … 1) ∠FQE F E D Q 2) ∠1 H I J 1 Name the central angle of the given arc. b. Angles in the same segment of a circle are equal, standing on the same arc. Printable in convenient PDF format. Tutor-USA.com Worksheet Geometry Circumference of Circles & Arc Length. 1-2) Find the circumference of each circle. 3) ML M L K 1 4) ML M L K Q If an angle is given, name the arc it makes. c. The angle in a semicircle is a right angle. 0 d LMza5dre N AwPi BtVhw YI9n tfgiJnQiXtkeV CG2e 7ohm le XtLr 1yQ.N Worksheet by Kuta Software LLC-5-Answers to Circles, arcs, and angle measures 1) 170 ° 2) 110 ° 3) 88 ° 4) 128 ° 5) 185 ° 6) 79 ° 7) 8 8) 1 Assume that lines which appear to be diameters are actual diameters. 3-6) Find the measure of each arc in circle E. 9-10) Find the measure of each arc. 2. a. Circles #7: Secant and Tangent Angles Find the measure of the arc or angle indicated. length of the arc is 1 unit, as is the radius of the circle which this sector was taken from. 2) m a = 80o, and arc HIJ = 70 o © www.mathwarehouse.com Free Geometry worksheets created with Infinite Geometry. What is m? Leave answers in terms of π. S Worksheet by Kuta Software LLC Kuta Software - Infinite Geometry Name_____ Arcs and Central Angles Date_____ Period____ Name the arc made by the given angle. In this speci c circle, there is a direct correlation between arc length and angle (in radians). Warm Up Explain why 1 x ABC 2 z The formula Angle of Intersecting Chords X = Problems 1) What is X? If we calculate the circumference using C= 2ˇr, we get C= 2ˇ. Assume that lines which appear tangent are tangent. 1) V W X D 58 ° ... V Worksheet by Kuta Software LLC Geometry Name_____ Date_____ Block____ ©A w2Y0w1q4 d bKzuutKaR 2SSoafYtDwIa7r6e9 5LMLZCr.L V Aal0l e 4roivghxt cs A grhe Bs MesrFv8eodQ.m Circles: Angle Relationships Find the measure of the arc or angle indicated. (This is a special case of a. ... Arcs and central angles Arcs and chords Circumference and area Inscribed angles Tangents to circles Secant angles Secant-tangent and tangent-tangent angles Segment measures Equations of circles. d. Equal angles subtended at the centre of a circle cut off equal chords. 1) A B D C ... F Worksheet by Kuta Software LLC Find the measure of the arc or angle indicated. 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