Mathematics, 01.04.2020 20:57, starboy3506

Which statement justifies why LFBE measures 50'?
Given: angles ABD and DBC are complementary
A linear pair is two adjacent, supplementary angles.
The sum of the measures of complementary angles is 90 degrees.
If two angles are vertical angles, then they are congruent.
Alternate interior angles are congruent.

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Which statement justifies why LFBE measures 50'?
Given: angles ABD and DBC are complementary