1) What is an angle? a) The two sides that meet at a corner. b) This is the basic unit of geometry. It shows an exact location. c) This is part of a line. It has two endpoints 2) How many points do you need to name a line? a) I b) uncountable c) 2 3) Find the angle a) Right angle b) Straight angle c) Obtuse angle 4) A ray has a definite length a) F b) T 5) An angle has two arms and two vertices a) T b) F 6) What is this? a) Scale b) Protector 7) Which angle is this? a) Reflex angle b) Obtuse angle 8) Can we measure the angle by protector? a) T b) F 9) You can not measure a ray and a ___________________. a) line b) line segment c) point 10) The sum of two_____________ angles is 180 degree. a) Left b) Right c) Obtuse

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