Question

Which pair of given angle is complementary and which are not?
[1] 15°, 75°
[2] 76°, 47°
[3] 64°, 26°
[4] 50°, 40°
[5] 33°, 66°
[6] 20°, 70°

Answer 1

2nd and 5th one is not complementary and rest all are complementary
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Answer 2

hey dear here is your answer


complementary angles :: sum of 90
so

1) 15+75= 90 so it is a complementary angle
2) 76+47 = 123 it is not a complementary angle because it is more than 90 degrees
3) 64+26 = 90 it is a complementary angle
4) 50+40=90 it is a complementary angle
5) 33+66= 99 it is not a complementary angle
6) 20+70 = 90 so it is a complementary angle

so option 2 ND and 5 th doesn't belong to complementary angles

and all others belongs to complementary angles .


hope helps you