1-2 Measuring and Constructing Segments

1-2 Measuring and Constructing Segments

Postulates

A rule that is accepted without proof. Sometimes called "axiom".

Theorem

A rule that can be proved.

Construction

A geometric drawing  that uses a limited set of tools, usually a compass and a straightedge.

Poll

Plot A(-2,4), B(3,4), C(0, 2), and D(0, −2) in a coordinate plane. Then

determine whether line segments AB and CD are congruent.

• CONGRUENT

• NOT CONGRUENT

Open Ended

What is your answer?

Open Ended

What is your answer for a?

Open Ended

What is your answer for b?