What do you call an angle that measures less than 90 degrees?
Acute angle
How many sides does a triangle have?
3
What do you call two angles that add up to 90 degrees?
Complementary angles
What type of angle measures exactly 90 degrees?
Right angle
What is the sum of the interior angles of a triangle?
180 degrees
If one angle measures 70 degrees, what is the measure of its supplementary angle?
110 degrees
What do we call angles that sum up to 180 degrees?
Supplementary angles
Name the triangle with all three sides of different lengths.
Scalene triangle
If two angles are complementary and one measures 30 degrees, what is the measure of the other angle?
60 degrees
Identify the angle that measures more than 90 degrees but less than 180 degrees.
Obtuse angle
What do we call a triangle with one angle measuring more than 90 degrees?
Obtuse triangle
What are two angles called if they are supplementary?
They add up to 180 degrees
What is the term for angles that are across from each other when two lines intersect?
Vertical angles
What is the term for a triangle with two equal sides?
Isosceles triangle
If angle A is 45 degrees, what is the measure of angle B if they are complementary?
45 degrees