If ∠A and ∠B are two adjacent an

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Home Questions WBG48535T3

Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Geometry

Question:

If ∠A and ∠B are two adjacent angles of a parallelogram. If ∠A = 70°, then ∠B = ?

Options:

70°

90°

110°

180°

Correct Answer:

110°

Explanation:

The adjacent angles of a parallelogram are supplementary (property of parallelogram).
∠A + ∠B = 180°
70° + ∠B = 180°
∠B = 180 – 70° = 110°