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Complete the missing parts of the paragraph proof.

By the definition of
angles, the sum of the measures of angles 1 and 2 is 180 degrees. Likewise, the sum of the measures of angles
is 180 degrees. By the
property, mAngle1 + mAngle2 = mAngle3 + mAngle2. Subtract the measure of angle
from each side. You get mAngle1 = mAngle3, or Angle1 Is-congruent-to Angle3, by the definition of congruence.

2 Answers

6 votes

Answer:

supplementary

3 and 2

substitution

2

User Victorz
by
7.9k points
7 votes

Answer:

Complete the missing parts of the paragraph proof.

By the definition of

✔ supplementary

angles, the sum of the measures of angles 1 and 2 is 180 degrees. Likewise, the sum of the measures of angles

✔ 3 and 2

is 180 degrees. By the

✔ substitution

property, mAngle1 + mAngle2 = mAngle3 + mAngle2. Subtract the measure of angle

✔ 2

from each side. You get mAngle1 = mAngle3, or Angle1 Is-congruent-to Angle3, by the definition of congruence

Step-by-step explanation:

User Tiago Leite
by
8.8k points

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