Angle basics
An angle that measures 90 degrees
What is a right angle?
The sum of all angles in a triangle.
What is 180 degrees?
The sum of all angles in a quadrilateral.
What is 360 degrees?
An angle that measures less than 90 degrees.
What is an acute angle?
A triangle with one right angle.
What is a right triangle?
A shape with five sides.
What is a pentagon?
Two angles that add up to 90 degrees.
What are complementary angles?
A triangle with all angles the same size.
What is an equilateral triangle?
A shape with six sides.
What is a hexagon?
Two angles that add up to 180 degrees.
What are supplementary angles?
A triangle with two sides of the same length
What is an isosceles triangle?
A shape with eight sides.
What is an octagon?
An angle that measures greater than 90 degrees but less than 180 degrees.
What is an obtuse angle?
A triangle with no sides of the same length.
What is a scalene triangle?
The sum of all angles in a triangle plus a quadrilateral.
What is 540 degrees?