6.4 Investigation 3: Inscribed Angles of a Semicircle
6.4 Investigation 3: Inscribed Angles of a Semicircle
Investigation 3
Step 1: Construct a diameter. Label the endpoints ???? and ????. (Completed for you)
Step 2: Pick a point on the circle and label it ????. Construct the segments ???????? and ????????.
Step 3: What’s the measure the angle ∠????????????? Is this always true? Move point ???? around to test this.
Inscribed Angle of a Semicircle Conjecture
Angles inscribed in a semicircle are __________________________.