GEOMETRY 101

Front

What does the symbol ⊥ represent in geometry?

Back

Perpendicular lines.

Front

Which quadrilaterals have all sides of equal length?

Back

Rhombus and square.

Front

What is a polygon with 5 sides called?

Back

Pentagon.

Front

How many acute angles does an acute triangle have?

Back

3 acute angles.

Front

What are two lines with the same slope that never touch called?

Back

Parallel lines.

Front

What is a triangle with one angle greater than 90 degrees called?

Back

Obtuse triangle.

Front

What do you call a four-sided figure?

Back

Quadrilateral.

Front

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

Back

180 degrees.

Front

What is a line segment that connects two non-adjacent vertices of a polygon called?

Back

Diagonal.

Front

What do you call angles that add up to 90 degrees?

Back

Complementary angles.