Triangle ABC is shown with AC || BD. B
D
The sum of the interior angles of a triangle equals 180°.
Move options to the blanks to complete the proof.
Reason
Statement
AC || BD
and 262
Given
25
m22 + m
+m
Alternate interior angles are congruent.
= 180°
Straight angles add to 180°.
= 180°
Substitution
m22 + m
רו
21
22
23
24
25
26

mark as brainleast and fo-ll-ow me

angle uzt is congruent to angle tzy. angle vzw is congruent to angle yzx.

(credits to leowren)

step-by-step explanation:

the sum of all the angles in a triangle are equal to 180

so you can add   the 3 given angles together to equal 180:

5y + 2y + 2y = 180

or since all three angles have the same letter, combine the 3 angles to equal 180:

9y = 180