Angles and Lines
What type of angle measures exactly 90 degrees?
What is a right angle
A triangle with all equal sides is called what?
What is an equilateral triangle?
The distance from the center to the edge is called what?
What is the radius?
A polygon with 5 sides is called what?
What is a pentagon?
What are the coordinates of the origin?
What is (0, 0)?
Two angles that add up to 180 degrees are called what?
What are supplementary angles?
What is the sum of the interior angles of a triangle
What is 180 degrees?
The distance across a circle through the center is called what?
What is the diameter?
A polygon with 8 sides is called what?
What is an octagon?
What is the slope formula
What is (y₂ − y₁) / (x₂ − x₁)?
When two lines intersect, opposite angles are called what?
What are vertical angles?
A triangle with one 90° angle is called what?
What is a right triangle?
What is the formula for the circumference of a circle?
What is 2πr
What is the sum of interior angles of a quadrilateral?
What is 360 degrees
A triangle has angles 45°, 45°, and what type of triangle is it?
What is an isosceles right triangle?
Lines that never intersect are called what?
What are parallel lines?
What theorem states a² + b² = c²?
What is the Pythagorean Theorem?
What is the area formula for a circle?
What is πr²?
A polygon with all equal sides and angles is called what?
What is a regular polygon?
A circle has a radius of 5. What is its area in terms of π?
What is 25π?
A line that intersects two parallel lines is called what?
What is a transversal?
What is the area of a triangle with base 10 units and height 7 units?
What is 35 square units?
What is the distance around a circle called?
What is the circumference?
What is the sum of the exterior angles of any convex polygon, no matter how many sides it has?
What is 360 degrees?
What is the sum of the interior angles of a hexagon?
What is 720 degrees?