1) same size angles a) adjacent angles b) straight angle c) congruent angles d) right triangle 2) an angle less than 90 o a) complementary angles b) acute angle c) congruent angles d) triangle 3) an angle greater than 90 o a) acute angle b) isosceles triangle c) obtuse angle d) degrees 4) an angle that measures exactly 90 o a) right angle b) obtuse triangle c) triangle d) congruent angles 5) angles that add up to 180 0 a) triangle b) equilateral triangle c) supplementary angles d) obtuse triangle 6) angles that add up to 90 o a) obtuse triangle b) supplementary angles c) complementary angles d) vertex 7) angles opposite from each other that are equal a) congruent angles b) scalene triangle c) vertical angles d) triangle 8) angles next to each other that share a side and a vertex a) adjacent angles b) vertical angles c) vertex d) congruent angles 9) a triangle with 3 angles less than 90 o a) acute triangle b) obtuse triangle c) obtuse angle d) acute angle 10) a triangle that has 2 equal sides a) obtuse triangle b) triangle c) right angle d) isosceles triangle 11) a triangle that has no equal sides a) equilateral triangle b) scalene triangle c) vertical angles d) acute triangle 12) a triangle whose sides are equal in length a) right angle b) isosceles triangle c) equilateral triangle d) scalene triangle 13) 3 sided shape whose angles = 180 o a) acute angle b) vertex c) isosceles triangle d) triangle 14) an angle of 180 0 a) isosceles triangle b) straight angle c) adjacent angles d) scalene triangle 15) a triangle with one angle greater than 90 o a) obtuse triangle b) straight angle c) right triangle d) supplementary angles 16) a triangle that has one angle equal to 90 o a) right triangle b) triangle c) right angle d) isosceles triangle 17) the unit of measure for measuring angles a) vertical angles b) adjacent angles c) degrees d) isosceles triangle 18) a common point where two rays meet a) degrees b) vertex c) complementary angles d) congruent angles

Geometry terms: angles and triangles

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