Angles and Triangles

Front

What do complementary angles add up to?

Back

90 degrees.

Front

A triangle in which all angles are smaller than a right angle is called a...?

Back

acute triangle.

Front

A triangle that has no equal sides is called a...?

Back

scalene triangle.

Front

What are vertical angles?

Back

Vertical angles are congruent.

Front

If two angles are complementary, what is the sum of their measures?

Back

90 degrees.

Front

What is an obtuse triangle?

Back

A triangle with one angle greater than 90 degrees.

Front

What is an equilateral triangle?

Back

A triangle with all three sides equal and all angles measuring 60 degrees.

Front

What is an isosceles triangle?

Back

A triangle with at least two equal sides.

Front

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

Back

180 degrees.

Front

What is a right triangle?

Back

A triangle with one angle equal to 90 degrees.