- Ascalene
- Bright-angled
- Cequilateral
- Dobtuse
Step-by-Step Solution
Equal angles means each is 60°, so all sides are equal — an equilateral triangle.
Answer: C) equilateral
The angles of a triangle are in the ratio 1 : 1 : 1. The triangle is:
Class 9Angle Sum of a TriangleGeometry — Lines and Angles
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