advertisement

Geometry Ch. 6 Circle Test B Name _______________________________________________period____________ Major ELG’s: G.9 Understand and apply theorems about circles G.10 Find lengths of arcs of circles. G9 1. True or False. The measure of an inscribed angle is half it’s intercepted arc. _________ G9 2. ̅̅̅̅ 𝐴𝐶 is the diameter of the circle O and 𝑚˂𝐴𝐵𝑂 = 27°. Find the 𝑚˂𝐵𝑂𝐶. a) 27° Find the measure of ˂SQR G9 b) 54° c) 126° d) 90° G9 3. a) 111° b) 65° c) 134° d) 180° 4. G10 5 . a) 14 mm b) 70 𝜋 9 c) 70 9 mm mm d) 14π mm 7. Shelly times her toy train as it goes around a circular track and clocks it at 34 seconds per revolution. If the radius of the track is 29 inches, what is the speed of the train? Express your answer in inches per second. G9 G9 6. In circle O, Solve for missing angles. m ˂AOB ______ m˂OAP _______ m ˂ P______ ̂ ___________ Solve for the curvature of arc 𝐴𝐵 G9 G9 8. 9. Write the equation of the line tangent to a circle whose center is (2, 1) if the point of tangency is (5, 4). Use the graph if you like. 10. Find the degree measure of d. G9