Geometry - Semester 1 Exam Review

Front

Slopes of perpendicular lines are...

Back

opposite reciprocals.

Front

Find the slope of the line: y = -1x + 2

Back

-1

Front

Points that lie on the same line are _________.

Back

collinear.

Front

Parallel lines

Back

have no points in common.

Front

What shortcut would you use to prove the triangles congruent?

Back

ASA.

Front

The sum of the interior angles of a triangle is...

Back

180 degrees.

Front

A triangle with one angle greater than 90 degrees is called...

Back

obtuse.

Front

The Pythagorean theorem states that in a right triangle, a² + b² = ...

Back

c² (where c is the hypotenuse).

Front

The distance formula between two points (x1, y1) and (x2, y2) is...

Back

√((x2 - x1)² + (y2 - y1)²).

Front

A line that intersects two or more lines at different points is called...

Back

a transversal.