Angle Subtended by the Diameter to any Point on the Circle is equal to 90 degrees

Q. The angle subtended by the diameter to any point on the circle is equal to degrees.

Q. The angle subtended by a diameter at any point on the circumference of the circle is

1. ${90}^{\circ }$
2. ${180}^{\circ }$
3. ${45}^{\circ }$
4. ${60}^{\circ }$

Q. A triangle has a side as diameter of a circle, and three of its vertices lie on the circle. What type of triangle is this?

1. Acute triangle
2. Right triangle
3. Obtuse triangle

Q. Consider the given figure. P is the centre of the circle.

The radius of the circle is units

Q. Determine the angle $\angle AOC,$ if $\angle CBA={25}^o$ and O is the centre of the circle.

1. ${30}^o$
2. ${40}^o$
3. ${50}^o$
4. ${60}^o$

Q. Determine the angle $\angle ZWY$ for P as center of the given circle.

1. ${35}^o$
2. ${45}^o$
3. ${55}^o$
4. Insufficient data.