Geometry 1st Semester Exam Study Guide

Front

What is an obtuse angle?

Back

An obtuse angle is an angle that measures more than 90 degrees but less than 180 degrees.

Front

What is a counterexample?

Back

A counterexample is an example that disproves a statement or proposition.

Front

How do you calculate the distance between two points (x1, y1) and (x2, y2)?

Back

Front

What is the slope of a line?

Back

The slope of a line is a measure of its steepness, calculated as the rise over run (change in y over change in x).

Front

What is the slope of a line parallel to another line with slope 3/4?

Back

The slope of a parallel line is also 3/4.

Front

What is the value of x in the equation 2x + 4 = 32?

Back

x = 14.

Front

What is a zero slope?

Back

A zero slope indicates a horizontal line, where there is no change in y as x changes.

Front

What is an undefined slope?

Back

An undefined slope indicates a vertical line, where there is no change in x as y changes.

Front

What is the formula for the area of a triangle?

Back

Front

What is the Pythagorean theorem?

Back