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SOMEONE PLEASE HELP!!!

SOMEONE PLEASE HELP!!!-example-1
User Ivan Sudos
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1 Answer

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18 votes

Answer:

Explanation:

2. Perpendicular lines form right angles.

3. A right angle has a measure of 90 degrees.

4. Angle addition postulate

5. Angles that add to form a right angle have a measure of 90 degrees.

7. Congruent angles have equal measure.

8. Substitution

9. Angles with measures that add to 90 deg are complementary.

User Selvaram G
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