1 Answer

Jivers · Answer 1 · 2024-11-01T17:49:01+0000

$m\angle3=84\textdegree$ . So, the correct option is D.

Use the given information to write down equations. We are given that
$m\angle1=96\textdegree$ . We are also given that ∠1 and ∠3 are supplementary angles, which means that:

m∠1+m∠3=
$180\textdegree$ .

Substituting the value of m∠1, we get:

m∠3=
$180\textdegree$ −m∠1

=180 −96

=
$84\textdegree$

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