10. Complementary angles must be acute.
11. Supplementary angles must be obtuse.
12. Two acute angles can be supplementary.
13. A pair of vertical angles can be complementary.
14. A pair of vertical angles can be supplementary.
15. Vertical angles must have the same measure.
16. Complementary angles can be adjacent.
17. Supplementary angles can be adjacent.
18. Any two right angles are supplementary.
19. Two acute angles are always complementary.
20. An acute and an obtuse angle are always
supplementary.
21. The intersection of two rays creates two pairs of vertical angles and four pairs of supplementary angl

Can u hlp pl plx tell me which one is true and false