1) how many degrees is a right angle? a) less than 90 degrees b) 180 degrees c) 90 degrees d) more than 90 degrees 2) how many degrees does an acute angle have? a) more than 180 degrees and less than 360 degrees b) 360 degrees c) 90 degrees d) less than 90 degrees 3) which sentence is true? a) The sum of adjacent angles is 180 degrees b) corresponding angles do not have the same measure c) vertical angles do not have the same measure d) alternate angles do not have the same measure 4) what is the measure of angle beta? a) 76 degrees b) 145 degrees c) 113 degrees d) 90 degrees 5) how many degrees is a reflex angle a) 180 degrees b) more than 180 degrees and less than 360 degrees c) more than 90 degrees and less than 180 degrees d) 360 degrees 6) how many degrees is an obtuse angle a) 90 degrees b) less than 90 degrees c) 180 degrees d) more than 90 degrees and less than 180 degrees 7) what is the sum of the measures of the angles in a triangle a) 360 degrees b) 90 degrees c) 180 degrees d) 60 degrees 8) What are the measures of the angles in the of an equilateral triangle? a) 60 degrees b) 90 degrees c) 70 degrees d) 65 degrees 9) this triangle is isosceles. what is the measure of the angle alpha and what is the measure of the angle beta? a) alpha=50⁰ beta=90⁰ b) alpha=65⁰ beta=76⁰ c) alpha=45⁰ beta=90⁰ d) alpha=35⁰ beta=89⁰ 10) what is the measure of angle alpha in this triangle? a) 74⁰ b) 35⁰ c) 61⁰ d) 24⁰

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