Mathematics, 10.06.2020 20:57, karencbetancourt

Z= Angle - Given: Z1 is complementary to 22.
What is the missing statement in step 3 of the proof?
22 is complementary to 23.
mz1 = m2
Prove: mz1 = m23
mZ1 + Z2 = 90°
m22 = m23
VE
m2 + m23 = 180°
Statements
1. 21 is comp. to 22
2. Z2 is comp. to 23
3 ?
4 m21 - 90°-22
5 m22+m23-90°
6. m23-90°-m22
7. m21-m23
Reasons
1. given
2. given
3 def. of comp. Zs
4. subtr. equality prop.
5. def. of comp. Zs
6. subtr. equality prop.
7. trans. prop

Answers: 2

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