Angle subtended by a diameter at the circle is?
- Right angle
- Acute
- Obtuse
- None of these
Explanation
A diameter divides a circle into two equal halves.
Any angle formed at the circumference by a diameter is 90°.
This is a key property of circles in geometry.
It is based on the angle in a semicircle theorem.
Always forms a right-angled triangle inside the circle.
Last verified on 25-05-2026
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