A triangle has an angle of 129°. What type is it by angles?

Type: MCQ • Marks: 1

A. Equilateral triangle

B. Acute-angled triangle

C. Right-angled triangle

D. Obtuse-angled triangle

Explanation

129° > 90°, so the triangle is obtuse-angled.

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Class 7th Ganita Prakash 1

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