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Given: mAngleEDF = 120°; mAngleADB = (3x)°; mAngleBDC = (2x)° Prove: x = 24 what is the missing reason in step 3? a. vertical angles are congruent b. substitution c. definition of congruency d. definition
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Given: mAngleEDF = 120°; mAngleADB = (3x)°; mAngleBDC = (2x)° Prove: x = 24

what is the missing reason in step 3?

a. vertical angles are congruent
b. substitution
c. definition of congruency
d. definition of equality

Given: mAngleEDF = 120°; mAngleADB = (3x)°; mAngleBDC = (2x)° Prove: x = 24 what is-example-1
Given: mAngleEDF = 120°; mAngleADB = (3x)°; mAngleBDC = (2x)° Prove: x = 24 what is-example-1
Given: mAngleEDF = 120°; mAngleADB = (3x)°; mAngleBDC = (2x)° Prove: x = 24 what is-example-2
User SpoonMeiser
by
5.3k points

2 Answers

1 vote

Answer:

a

Explanation:

step 3 is a. because vertical angles are congruent

when you intersect 2 lines they form 2 pairs of vertical angles that are congruent.

User Jfabrizio
by
5.1k points
0 votes

Answer:

Vertical angles are congruent

Explanation:

User Yahe
by
5.2k points
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