1) A plane figure with 3 straight sides and 3 angles. a) triangle b) square c) rhombus d) diamond 2) A group of three related novels, plays, and films. a) trilogy b) triad c) triplet 3) A large muscle in the upper arm which turns the hand. a) biceps b) triceps c) deltoid 4) An optical instrument with a lens for each eye, used for viewing distant objects. a) binoculars b) magnifying class c) glass 5) A railroad in which the track consists of a single rail. a) monorail b) munorel c) monoriel d) monorel 6) A continuing sound, especially of a person's voice with no change in pitch. a) monotone b) high voice c) dull d) excited 7) A cycle with a single wheel, typically used by acrobats. a) unicycle b) bicycle c) tricycle 8) An educational institute designed for instruction. a) university b) college c) academy

Unit 24: Number Prefixes (mono-, uni-, bi-, tri-)

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