Which is an angle whose vertex lies on a circle and whose sides contain chords of the circle?
central angle.
tangent.
inscribed angle.
secant.
Which of the following is a drawing of a central angle?
What does the measure of ABC⏜ equal?
60°
330°
300°
210°
Which of the following represents an inscribed circle of a triangle?
What is the first step in constructing an inscribed circle of a triangle?
Bisect three angles of the triangle.
Draw the circle.
Bisect two angles of the triangle.
Construct a perpendicular from the center point to a point on any side of the triangle.