Question

can two adjacent angles be complementary .explain

Answer 1

Answer:

Step-by-step explanation:

Supplementary angles are two angles whose sum is 180 degrees while complementary angles are two angles whose sum is 90 degrees. Supplementary and complementary angles do not have to be adjacent (sharing a vertex and side, or next to), but they can be.

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Answer 2

yes, they could be .
consider the case of a right angled triangle where one angle is equal to 90' and the other two angles sum up to 90' .