If the angles of a triangle are (2x)°, (3x)°, and (5x)°, what type of triangle is it?

Type: MCQ • Marks: 1

A. Equilateral triangle

B. Obtuse-angled triangle

C. Acute-angled triangle

D. Right-angled triangle

Explanation

2x + 3x + 5x = 10x = 180° => x = 18°. Angles are 36°, 54°, 90°. Since one angle is 90°, it is right-angled.

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Class 7th Ganita Prakash 1

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