(a) Greater than (b) Less than 90° (c) Equal to 90° (d) Equal to 0° Ans. a (2)
(a) Zero (b) Obtuse (More than 90°) (c) Acute (Less than 90°) (d) 90° Ans. b (8)
(a) Acute (b) Obtuse (c) 90° (d) Zero Ans. a (3)
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