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True or False: Write T if the statement is true and F if the statement is not correct.
1. Two adjacent right angles are supplementary.
2. ___Complementary angles are angles whose measures are both less than 90°.
3. Vertical angles are linear pair.
4. Linear pair are adjacent angles and supplementary angles.
5. If one of two angles in a linear pair measures 90°, then the angle has a measure greater than 90°.
6. Adjacent angles are angles that have a common vertex but no common side.
7. Two adjacent right angles are complementary.
8. All right angles are congruent.
9. Two vertical angles are always congruent.
10. If two angles form a linear pair, then they are supplementary.
11. If two lines are perpendicular, then it forms four right angles.
12. All intersecting lines are perpendicular.
13. An angles formed by two perpendicular lines is acute
14. If two adjacent angles are congruent and complementary, then the measure of each angle is 90°.
15. All adjacent angles are formed by perpendicular rays and lines.
