Circles
Formulas & Unknowns
Conditional
Definitions
Proofs
100
Definition of a Radius
What is a straight line from the center to the circumference of a circle or sphere.
100
P lies in the interior of RST. mRSP=40˚ and mTSP=10˚. mRST=
What is 50˚
100
Write the statement in IF-THEN form. The sum of two even numbers is even.
What is If two even numbers are summed then the answer will be even.
100

 A hexagon with all congruent angles and all congruent sides.

What is a Regular Hexagon

100

The process of drawing a conclusion based on one or more premises(statements) that are generally assumed to be true.

What is Deductive Reasoning

200
A line segment whose endpoints both lie on the circle
What is chord
200
P and Q are complementary. mP=3x+7 and mQ=x+3. x=_____
What is 20
200
Write the inverse of the statement: If it rains today, then it is not sunny tomorrow.
What is If it does not rain today, then it is sunny tomorrow.
200


The figure formed by two rays meeting at a common endpoint (vertex). Is represented by the symbol ∠. 



What is an Angle

200

If AM = MB, then AM + 5 = MB + 5.

What is the Addition Property of Equality

300
Given a diameter of 9cm, find the radius
What is 4.5cm
300
P and Q are supplementary. mP=5x+3 and mQ=x+3. x=_____
What is 29
300
Write the converse of the statement: If today is Thursday, then tomorrow is Friday.
What is If tomorrow is Friday, then today is Thursday.
300

 A line or line segment that  cuts a line segment down the middle  into two equal parts at a right angle.

What is a Perpendicular Bisector

300

What does this display?

What is the Symmetric Property of Congruence 

400
The part of the circle that is double the radius
What is a diameter
400
Ray QS bisects PQR. If mPQS=3x and mRQS=2x+6, then mPQR=____.
What is 36˚
400
Write a converse statement given: If I do good in high school, then I can go to college
What is If I go to college, then I did good in high school.
400

Two angles that share a common vertex and side, but no common interior points.

What is Adjacent Angles

400

 If a point divides a line segment into two congruent line segments, then the point is a midpoint. Point P divides line segment MN into two congruent line segments. Therefore, the point is a midpoint.

What is being displayed here?

What is Law of Detachment

500

Based on the diagram, what important definition allows you to conclude that CB is equal to AD.


What is congruent circles (have the same radius)

500

The midpoint formula.

What is (just say it)

500

Write the contrapositive of the statement: If I fail my test, then i did not study.

What is If I study then I pass my test.

500

When you find a pattern in specific cases and then write a conjecture for the general case.

What is Inductive Reasoning

500

 If a = 3, then 5a = 15.  If  12a  =  112 , then a = 3. 

What does this display?

What is the Law of Syllogism

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