Geometry Benchmark Review

Front

What is the smallest angle of rotation that maps an image to itself?

Back

45°

Front

What axis is the triangle being reflected over?

Back

Y-axis

Front

What slope is parallel to m = 3/4?

Back

3/4

Front

What is the slope of a line perpendicular to a line with slope -6/5?

Back

5/6

Front

What classification describes a triangle with all angles less than 90° and two equal sides?

Back

acute isosceles

Front

Define the term 'slope' in geometry.

Back

The slope is a measure of the steepness of a line, calculated as the rise over run.

Front

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

Back

m = (y2 - y1) / (x2 - x1)

Front

What is the relationship between the slopes of parallel lines?

Back

Parallel lines have the same slope.

Front

What is the relationship between the slopes of perpendicular lines?

Back

The slopes of perpendicular lines are negative reciprocals of each other.

Front

What is an acute triangle?

Back

A triangle with all angles measuring less than 90°.