What type of proofs did they use? Select the correct answer from each drop-down menu.
Julie and Samuel were each asked to prove m/CBD = 65° with the given information.
Given: m/ABC = 90°
m/ABD
= 25°
Prove: m/CBD = 65°
B
D
C
Statements
1. m/ABC
2. m/ABD
= 25°
3. m/ABD + m/CBD
4. 25° +m/CBD
5. m/CBD
=
-
90°
=
65°
Julie's Proof
90°
Reasons
1. given
2. given
= 90° 3. angle addition postulate
4. substitution property of equality
5. subtraction property of equality
D
