In a circle, what is the relationship between the angle subtended by an arc at the center and the angle subtended by the same arc at any point on the remaining part of the circle?

If two angles subtended by arcs on a circle are equal, what can be said about the lengths of those arcs?

In a cyclic quadrilateral, what is the sum of opposite interior angles?

If one angle of a cyclic quadrilateral is 70 degrees, what is the measure of the opposite angle?

What is the relationship between a radius of a circle and a tangent to the circle at the point of contact?

If two tangents are drawn from an external point to a circle, what can be said about the lengths of these tangents?

In a circle, an angle subtended by a diameter at any point on the circumference is:

Consider an arc PQ of a circle. If the angle subtended by arc PQ at the center is 80 degrees, what is the angle subtended by the same arc at the circumference?

In a cyclic quadrilateral ABCD, if angle A is 100 degrees, what is angle C?

A tangent touches a circle at a single point. What is this point called?

If a chord and a tangent pass through the same point on a circle, the angle between the chord and the tangent is equal to:

In a circle, if two arcs are equal in length, what can be said about the angles they subtend at the circumference?

What is the property of an exterior angle of a cyclic quadrilateral?

If a circle has a radius of 5 cm and a tangent segment from an external point to the circle is 12 cm, what is the distance from the external point to the center of the circle?

In a circle, if two chords are equal in length, what can be said about the arcs they subtend?

What is the measure of the angle formed by two tangents drawn from an external point to a circle, if the angle subtended by the line segment joining the points of contact at the center is 120 degrees?

If a quadrilateral is inscribed in a circle, it is called a:

In a circle, if an arc subtends an angle of 30 degrees at the circumference, what is the angle it subtends at the center?

When a radius meets a tangent at the point of contact, the angle formed is:

In a cyclic quadrilateral, if one angle is 90 degrees, what can be said about the opposite angle?