Geometry Midterm Review Flashcardizz

Front

What is the value of x if x + 5 = 15?

Back

10

Front

What is the midpoint formula?

Back

The midpoint formula is ((x1 + x2)/2, (y1 + y2)/2). It calculates the midpoint between two points (x1, y1) and (x2, y2).

Front

What are corresponding angles?

Back

Corresponding angles are pairs of angles that are in similar positions at each intersection where a straight line crosses two others.

Front

Name a line parallel to line AD.

Back

Line EH is parallel to line AD.

Front

What is the contrapositive of 'If angles are congruent, then the measures of the angles are equal'?

Back

If the measures of the angles are not equal, then the angles are not congruent.

Front

What is the definition of supplementary angles?

Back

Supplementary angles are two angles whose measures add up to 180 degrees.

Front

What is the definition of vertical angles?

Back

Vertical angles are the angles opposite each other when two lines cross. They are always equal.

Front

What is the definition of parallel lines?

Back

Parallel lines are lines in a plane that never meet; they are always the same distance apart.

Front

What is the definition of a transversal?

Back

A transversal is a line that crosses at least two other lines.

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 degrees.