Twa kɔ nsɛm atitiriw so
Log in
Sign up for FREE
arrow_back
Laabri

Geometry 2-3 Guided Practice: Biconditionals and Definitions

star
star
star
star
star
Last updated over 4 years ago
12 Nsɛmmisa
10
10
10
10
10
Asemmisa {{asɛmmisaAhyɛnsode}}
1.

Solve It! Look at the examples of the insects and noninsects below.

How would you complete the following sentence: "If an animal is an insect then..."? Explain your reasoning.

10
Asemmisa {{asɛmmisaAhyɛnsode}}
2.

Take Note: Define biconditional.

10
Asemmisa {{asɛmmisaAhyɛnsode}}
3.

Take Note: How can you determine if a conditional statement can be written as a biconditional?

10
Asemmisa {{asɛmmisaAhyɛnsode}}
4.

Take Note: Provide an example of a biconditional statement.

Asemmisa {{asɛmmisaAhyɛnsode}}
5.

Problem 1 Got It? What is the converse of the following true conditional? If the converse is also true, rewrite the statements as a biconditional.

If two angles have equal measure, then the angles are congruent.

10
Asemmisa {{asɛmmisaAhyɛnsode}}
6.

Problem 2 Got It? What are the two conditionals that form this biconditional?

Two numbers are reciprocals if and only if their product is 1.

10
Asemmisa {{asɛmmisaAhyɛnsode}}
7.

Take Note: What are the three important components of a good definition?

Asemmisa {{asɛmmisaAhyɛnsode}}
8.

Problem 3 Got It? Is the definition of straight angle reversible? If yes, write it as a true biconditional.

A straight angle is an angle that measures 180°.

10
Asemmisa {{asɛmmisaAhyɛnsode}}
9.

Take Note: Describe how a counterexample can be used to identify poor definitions.

Asemmisa {{asɛmmisaAhyɛnsode}}
10.

Problem 4 Got It? Is the following statement a good definition? Explain.

A square is a figure with four right angles.

Asemmisa {{asɛmmisaAhyɛnsode}}
11.

Problem 4 Got It? Reasoning: How can you rewrite the statement so that it is a good definition?

Obtuse angles have greater measures than acute angles.

10
Asemmisa {{asɛmmisaAhyɛnsode}}
12.

Take Note: Summarize the mathematical content of this lesson. What topics, ideas, and vocabulary were introduced?