Ratio of the angles of a triangle are 2

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Target Exam

CUET

Subject

General Aptitude Test

Chapter

Numerical Ability

Topic

Ratios

Question:

Ratio of the angles of a triangle are 2 : 2 : 5. What is the largest angle?

Options:

120 degree

80 degree

110 degree

100 degree

Correct Answer:

100 degree

Explanation:

Ratio of angles = 2 : 2 : 5

Sum of all angles of a triangle = 180° = 9r

1r = 20°

Largest angle = 20° x 5 = 100 degree