Basics of Geometry

Front

What is the term for figures that have the same shape and size?

Back

Congruent

Front

What is the term for lines that never intersect and are always the same distance apart?

Back

Parallel Lines

Front

What do you call a flat surface that extends infinitely in all directions?

Back

Plane

Front

What is the point where two lines meet called?

Back

Intersection

Front

What is the term for a point that divides a segment into two equal parts?

Back

Midpoint

Front

What is the sum of the interior angles of a triangle?

Back

180°

Front

What is the term for an angle that measures less than 90 degrees?

Back

Acute Angle

Front

What is the term for an angle that measures exactly 90 degrees?

Back

Right Angle

Front

What is the term for an angle that measures more than 90 degrees but less than 180 degrees?

Back

Obtuse Angle

Front

What is the term for a triangle with all sides of different lengths?

Back

Scalene Triangle