Since ∠3 and ∠5 are vertical angles, they are congruent. Therefore, m∠3 = m∠5 = 67°.
Since ∠4 and ∠5 are supplementary angles, their sum is 180°. So, m∠4 + m∠5 = 180°.
Substituting the given values, we have:
m∠4 + 67° = 180°
This is the equation that can be written to solve for m∠4.
In a diagram, ∠3
and ∠5
are vertical angles, and ∠4
is a supplementary angle with ∠5
. If m∠3=67°
, what equation can you write to solve for m∠4
?
1 answer