Parts of a Circle
What is a sector
a shape in the circle created by two radii and a arc
Chord that go through the center of a circle.
diameter
Radius: 7 What is the diameter
14
what is a line called that is part of the circumference
arc
What is a circle?
a shape that all points that are the same distance from a center point
What line touches one point on the circumference
tangent
What is a chord?
What is a chord?
a line segment that connects to outside points of a circle
The angle is created by a semicircle.
180 degrees
How do you figure out the diameter if you know the radius?
multiply the radius by 2.
If you have a quarter of the circumference. With the ends of the arc joined to the centre. What is this shape?
qudrant
What is circumference?
The perimeter of a circle
The middle of the circle
center?
if you had two circles one bigger than the other. the space between the circles would look like a what?
a dounut.
A special chord that passes through the center of a circle
a diameter
Distance around the circle is called
Circumference
Diameter of 50. What is the radius
25
if i divide the circumference by 2 what shape do i have. and what angle is this the diameter
semi circle, 180 degrees