Area
True or False - The perimeter of a circle is called the circumference.
What is true?
The segment joining the center of a circle to a point on the circle.
What is a radius?
A chord that passes through the center of a circle.
What is a diameter
A segment joining 2 points on a circle.
What a chord?
An angle that is greater than 90o but less than 180o.
What is an obtuse angle?
Pi x radius x radius
What is base area of a circle?
The ratio of the circumference of a circle to the diameter.
What is Pi?
An angle greater than 0o but less than 90o.
What is an acute angle?
Pi x diameter
What is circumference?