Question

11. Which of the following cannot be a pair of complementary angles?
(a) two acute angles (b) two obtuse angles (c) two right angles​

Answer 1

Answer:

a) 2 acute angles, cannot be the pair.....

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Answer 2

Step-by-step explanation:

ItsSamGupta

1. Acute angles are less than 90o. Complementary angles are those angles whose sum is equal to 90o. Thus, complementary angles are always acute angles. Hence, two acute angles can be complementaryTwo obtuse angles cannot complement each other. Angles greater than 90o are called obtuse angles. Hence, their sum would always be more than ninety degree. Thus, two obtuse angles cannot complement each other.
2. Acute angles are less than 90o. Complementary angles are those angles whose sum is equal to 90o. Thus, complementary angles are always acute angles. Hence, two acute angles can be complementary.

so the answer is Two acute angles