Respuesta :

Hi.

First, I am going to give you some definitions.This will help you do the problems.

-Complementary angles have a combined sum of 90.

- Supplementary angles have a combined sum of 180.

10. 40+50=90- so YES.

12. 159+20= 179.-so NO.

Make sure you learn the definitions properly next time!

=)

10. yes, they do form a complementary angle hence complementary angles are 90 degrees. so 40 + 50 equals 90 degree angle.

12. no, they dont form a supplementary angle. hence supplementary angles equals 180 degrees & 159 + 20 does NOT equal to 180 degrees

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