A) straight angle
B) right angle
C) obtuse angle
D) reflex angle
E) None of these
Correct Answer: A
Solution :
Explanation: Option (a) is correct. Sum of one pair of complementary angles = \[90{}^\circ \] Therefore, the sum of two pairs of complementary angles = \[90{}^\circ +90{}^\circ =180{}^\circ \] = a straight angle.You need to login to perform this action.
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