Mrs. Bruning observes several boys simply stuffing handouts into their backpacks. Based on her observation, she says, “Boys stuff handouts into their backpacks.” Mrs. Bruning has just made a(n) ______________________________ about the behavior of boys.

We proved that if overlapping segments have the same measure, then their non-overlapping parts have the same measure. So the underlined statement is a(n) ______________________________.

When you use deductive reasoning to write an argument that a statement is true, we call that argument a(n) ____________________.

Two rays start at the same point, and then head off in different--but not necessarily opposite--directions, they form a(n) ______________________________.

Segment SG and segment MT lie on the same line. So we can use the word ____________________ to describe them.

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The triangle and pentagon shown below both lie in the plane defined by the screen you are viewing. We would describe them as being ________________________________________.

In the figure below, D lies in the ______________________________ of angle BAC .

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If you draw a segment from a point on one side of an angle to a point on the other side of the angle, the segment will pass through the angle’s ______________________________.

Points W, O, R and M all lie on the same line. The part of that line that starts at W and ends at R would be called a(n) ______________________________.

“________________________________________” is the word or phrase we use to refer to the part of the line pictured below that starts at point D and continues forever in the direction of point E.

An angle is defined by rays AC and AT. We call A the ______________________________ of the angle. Meow!

A statement that is so basic that we can all agree that it is true without proof is known as a(n) ______________________________.