1) What is the sum of angles on a straight line? a) 180 degrees b) 90 degrees c) 360 degrees d) 270 degrees 2) What is the sum of angles in a triangle? a) 180 degrees b) 360 degrees c) 90 degrees d) 270 degrees 3) What is the sum of angles around a point? a) 360 degrees b) 180 degrees c) 90 degrees d) 270 degrees 4) If one angle on a straight line is 120 degrees, what is the other angle? a) 60 degrees b) 90 degrees c) 180 degrees d) 30 degrees 5) An equilateral triangle has angles of: a) 60 degrees each b) 90 degrees each c) 45 degrees each d) 120 degrees each 6) A right triangle has one angle of: a) 90 degrees b) 60 degrees c) 45 degrees d) 30 degrees 7) If two angles in a triangle are 45 and 45 degrees, the third angle is: a) 90 degrees b) 60 degrees c) 45 degrees d) 30 degrees 8) What is the measure of each angle in a regular hexagon? a) 120 degrees b) 90 degrees c) 60 degrees d) 180 degrees 9) If an angle is 30 degrees, what is its complement? a) 60 degrees b) 90 degrees c) 120 degrees d) 150 degrees 10) What is the measure of each angle in a regular pentagon? a) 108 degrees b) 90 degrees c) 120 degrees d) 72 degrees 11) What is the measure of each angle in a regular octagon? a) 135 degrees b) 90 degrees c) 120 degrees d) 108 degrees 12) If two angles are supplementary and one is 70 degrees, the other is: a) 110 degrees b) 90 degrees c) 70 degrees d) 180 degrees 13) If two angles are complementary and one is 40 degrees, the other is: a) 50 degrees b) 90 degrees c) 40 degrees d) 130 degrees 14) What is the measure of each angle in a regular quadrilateral? a) 90 degrees b) 60 degrees c) 120 degrees d) 180 degrees 15) What is the exterior angle of a regular hexagon? a) 60 degrees b) 90 degrees c) 120 degrees d) 180 degrees 16) What is the exterior angle of a regular pentagon? a) 72 degrees b) 90 degrees c) 108 degrees d) 120 degrees 17) What is the exterior angle of a regular octagon? a) 45 degrees b) 60 degrees c) 90 degrees d) 135 degrees 18) What is the measure of each angle in a regular triangle? a) 60 degrees b) 90 degrees c) 120 degrees d) 180 degrees 19) If an angle is 45 degrees, what is its complement? a) 45 degrees b) 90 degrees c) 135 degrees d) 180 degrees

ANGLE FACTS GRADE 8

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