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Mathematics, 12.08.2020 08:01 teescub812

Given: mEDF = 120°; mADB = (3x)°; mBDC = (2x)° Prove: x = 24


What is the missing reason in step 3?


vertical angles are congruent

substitution

definition of congruency

definition of equality

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Given: mEDF = 120°; mADB = (3x)°; mBDC = (2x)° Prove: x = 24


What is the missi...
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