Parts of a Circle
The very midpoint of a circle
What is the center point?
Who is Euclid?
The line segment inside the circle that connects two points on the circumference of a circle
What is a chord?
A triangle has one angle that measures 90 degrees
What is a right triangle?
I am the man who drew a circle freehand for the Pope.
Who is Giotto?
A line that intersects the circle at two points and goes clear through the circumference and out the other side.
What is a secant?
The shortest distance between two points.
What is a line (segment)?
“Pizza slice” created by two radii and an arc
A triangle that has all sides the same length
What is an Equilateral Triangle?
Lines that always remain the same distance apart
What are parallel lines?
A line that touches the circle at exactly one point, not entering the circle's interior.
What is the tangent?
It has a beginning point and continues on in the same direction.
What is a ray?
The outside perimeter of a circle
What is the circumference?
A triangle that has NO sides the same length
What is a scalene triangle?
What is a transversal?
Any part or piece of the circumference
What is an arc?
It goes to infinity and beyond!
A line
A region shaped by a chord and an arc
What is a segment?
(Think "iced sausages")
What is isosceles?
What is 360 degrees?
The title of the book that Euclid wrote.
Elements
The line segment touches both sides of the circumference and passes through the center point. It is two times the radius in length.
What is the diameter?
A triangle that has all angels measures the same.
What is an equilateral triangle?
What is a 12-point circle construction?