Geometry Midyear Review 2

Front

What are the coordinates of point C' after Triangle ABC is rotated 270° counterclockwise if C(3,2)?

Back

C' is at (2,-3).

Front

What is the relationship between angles 1 and 2 if they are vertical angles?

Back

Angles 1 and 2 are congruent.

Front

What is the slope of a line parallel to the line represented by the equation y = 2x + 4?

Back

The slope is 2.

Front

True or False: Perpendicular lines have the same slope.

Back

False.

Front

True or False: Parallel lines have opposite reciprocal slopes.

Back

True.

Front

What is the definition of congruent triangles?

Back

Congruent triangles are triangles that are identical in shape and size.

Front

What is the formula for finding the slope between two points (x1, y1) and (x2, y2)?

Back

The slope m is given by m = (y2 - y1) / (x2 - x1).

Front

What is the definition of vertical angles?

Back

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

Front

What is the relationship between corresponding angles when two parallel lines are cut by a transversal?

Back

Corresponding angles are congruent.

Front

What is the definition of supplementary angles?

Back

Supplementary angles are two angles whose sum is 180 degrees.