Given: ZABC is a right angle and ZDEF is a right angle. Prove: All right angles are congruent by showing that ZABC Z ZDEF.
What are the missing reasons in the steps of the proof?
LABC, ZDEF are
right angles
M_ABC = 90°,
mZDEF = 90°
M_ABC = m_DEF
LABCDEF
Given
А
B
С
A:
B:
C:

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