Answer:
170°
10°
10°
Good enough for Brainliest?
Step-by-step explanation:
Opposite angles of a parallelogram are congruent so there are 2 sides that are 170° (including the already known side). The 4 angles of a quadrilateral add up to 360°.
170°×2=340°
360°-340°=20°
20°/2= 2 sides that are 10°
