If two adjacent angles of a parallelogra

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Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Geometry

Question:

If two adjacent angles of a parallelogram are (2x + 30)° and (3x – 15)°. Then the value of x is :

Options:

36°

39°

33°

35°

Correct Answer:

33°

Explanation:

Sum of two adjacent angle of a parallelogram = 180°.

So,

(2x + 30) + (3x – 15) = 180°.

5x + 15 = 180°

5x = 165.

x = 33