Circles
The segment that connects the center of a circle tp any point on the circle.
Radius
A circle has a radius of 3. What is the diameter?
6
An angle less than 90
Acute
A triangle with all sides equal lengths
Equilateral
The name of a segment that passes through the center of and connects two points on the circle
Diameter
A circle has a radius of 6.25. What is the diameter?
12.5
An angle equal to 90
Right
A triangle with two sides of equal lengths
Scalene
The distance around a circle
Circumference
A circle has a diameter of 20. What is the radius?
10
An angle greater than 90
Obtuse
A triangle with all three sides having different lengths
Scalene
3.14....
A circle has a diameter of 430. What is the radius?
215
Two angles that add up to 90
Complementary
The correct term to use to describe equal or exact same parts of a triangle
Hint: Starts with C
How do you find the diameter if you know the radius?
Multiply it by 2.
r2=d
A circle has a diameter equal to 80 divided by 4. What is the radius of the circle?
10
Two angles that add up to 180
Supplementary
What do all angles of a triangle have to add up to?
180