1 Answer

Piercebot · Answer 1 · 2023-01-12T07:18:54+0000

Complimentary angles: The two angles whose measure add up to 90 degrees.

It is represented as,

$\angle a+\angle b=90^(\circ)$

So, the correct justification for step 7 is that they are complimentary angles.

Answer: Option 2)

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