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Exercise 1.1
State whether each of the following is true or false.
1. Two adjacent right angles are supplementary.
2. The supplement of an obtuse angle is another obtuse angle.
3. Two vertical angles are always congruent.
4. f two angies form a linear pair, then they are supplementary
5. An angle formed by two perpendicular lines is acute.
6. Complementary angles are both acute angies.​


Sagot :

Answer:

1.True

2.true

3.true

4.false

5.true

6.true