Question

statements reasons 1. ∠abc is a right angle 1. given 2. ∠dbc is a straight angle 2. given 3. m∠abc = 90° 3. definition of right angle 4. m∠dbc = 180° 4. definition of straight angle 5. m∠abd + m∠abc = m∠dbc 5. angle addition property 6. m∠abd + 90° = 180° 6. substitution property 7. m∠abd = 90° 7. subtraction property 8. ∠abd is a right angle 8. definition of right angle two - column proof two - paragraph proof flowchart proof one - paragraph proof

Explanation:

Step1: Identify proof type

The given proof is presented in a two - column format with statements in one column and reasons in the other.

Answer:

two - column proof