Lines, Angles, and Triangles

Front

What is an exact position or location on a line?

Back

Point

Front

What is a line of points that extends continuously in opposite directions?

Back

Line

Front

What type of line is formed when two lines intersect at a right angle?

Back

Perpendicular line

Front

What is a part of a line that has two endpoints?

Back

Line segment

Front

What do you call a triangle with one right angle and two acute angles?

Back

Right triangle

Front

What is the sum of the angles in a triangle?

Back

180 degrees

Front

What type of triangle has all sides of different lengths?

Back

Scalene triangle

Front

What do you call a triangle with all angles less than 90 degrees?

Back

Acute triangle

Front

What is the term for two lines that never meet?

Back

Parallel lines

Front

What is the angle called that is greater than 90 degrees but less than 180 degrees?

Back

Obtuse angle