Question

What is the measure of <ABC?​

Answer 1

• 95°

Explanation:

Given

• Parallel lines AD and BC

AB is reversal therefore

• ∠ABC and ∠DAB are supplementary angles

As per definition, supplementary angles add up to 180°:

• ∠ABC + ∠DAB = 180°
• ∠ABC + 85° = 180°
• ∠ABC = 180° - 85° = 95°