HN - Unit 9 Day 1 - HW

1) Use the diagram to decide whether each given arc is a minor arc, major arc, or semi-circle. minor arc arc BF arc EDC arc BD major arc arc BFD arc EDF semi-circle arc BE arc CDF 2) Find the measures of each arc in Circle P... Only type numerical values, no units! 180 90 270 90 308 270 3) Find the value of the variable. Type numerical values only, no units! c = 38 4) Find the value of the variable. Type numerical values only, no units! x = 40 5) What is the value of x? ... Lines that appear to be tangent are tangent. O is the center of the circle... Type numerical values only, no units. x = 120 6) What is the value of x? ... Lines that appear to be tangent are tangent. O is the center of the circle... Type numerical values only, no units. x = 47 7) What is the value of x? ... Lines that appear to be tangent are tangent. O is the center of the circle... Type numerical values only, no units. x = 30 8) What is the value of x, to the nearest tenth? x = 3.6 cm 9) Is a tangent shown in this diagram? yes no 10) Is a tangent shown in this diagram? yes no 11) The polygon circumscribes the circle. What is the perimeter of the polygon? perimeter = 78 cm 12) measure of angle CDA = 57.5 degrees