Geometry Semester Review Flashcard: Unit 2

Front

What is the value of X if the equation is set up as follows: Find the value of X in the equation?

Back

X = 12

Front

What is a counterexample to the claim: "If two angles are supplementary, then they are not congruent."?

Back

A counterexample is 90° and 90°.

Front

What is the minimum number of angle measures needed to find the measures of all the missing angles in a figure?

Back

1

Front

Back

A counterexample is x = -2.

Front

Using the Law of Syllogism, complete the statement: If it is snowing heavily, then school will be canceled. If school is canceled, the big test will not be given today. It is snowing heavily, then...

Back

The big test will not be given today.

Front

Define supplementary angles.

Back

Two angles are supplementary if their measures add up to 180°.

Front

What is the definition of congruent angles?

Back

Congruent angles are angles that have the same measure.

Front

What is the Law of Syllogism in logic?

Back

The Law of Syllogism states that if 'p implies q' and 'q implies r', then 'p implies r'.

Front

What is the sum of the interior angles of a triangle?

Back

The sum of the interior angles of a triangle is always 180°.

Front

What is a vertical angle?

Back

Vertical angles are the angles opposite each other when two lines intersect. They are always congruent.