Day 1 Supporting Materials Vocabulary Investigation Activity: Signs
Day 1 Supporting Materials Vocabulary Investigation Activity: Signs
Day 2 Materials: Theorem Investigation Activity
Name:________________________ Period:_____________
Topics 19/20: Circle Conjecture and Theorem Investigation
1) 2) 3)
Inscribed Angle and Central Angle Relationship:
The measure of a central angle is
_________ the measure of its _____________________.
The measure of an inscribed angle is ________ the measure of the central
angle that shares the same __________________.
Theorem #1:
The ____________________ ______________of a chord on
a circle contains the _____________ of the circle.
Theorem #2:
A ___________of a circle _________ a chord if and
only if the radius is _________________
to the chord.
4) 5) 6)
Theorem #3:
Chords on a circle (or on congruent circles) are
______________ if and only if the chords __________
_______________________.
Theorem #4:
______________on a circle (or congruent circles) are
____________ if and only if the chords are
_________________from the circle center(s).
Given a point on a circle, how do you create a tangent line that goes through it?
Given a point OUTSIDE the circle, how do you create a line that passes through the point and is also tangent to the circle?
Day 3 Materials: *Each question was supplemented by hand-written material.
Day 4 Materials: Challenge Problem Stations/Group Quiz
Student Responses Process Sheet:
Day 5 Materials
Group Members’ Names: ________________ ________________ ________________ ________________
Topic 19 and 20: Review Day 2
Test Question Solution
Easy Question 1:
Easy Question 2:
Medium Question 1:
Medium Question 2:
Difficult Question 1:
Difficult Question 2: