[DOC] [TLE] Diameter - math word definition - Math Open Reference [PAR] The diameter of a circle is the length of the line through the center and touching 
two points on its edge. In the figure above, drag the orange dots around and see
... [DOC] [TLE] Radius, diameter, circumference &  | Area | Geometry foundations ... [PAR] Feb 20, 2011 - 11 minLearn how the number Pi allows us to relate the radius, diameter, and  circumference of a circle. [DOC] [TLE] Areas of Circles and Sectors | Wyzant Resources [PAR] Although we do not directly use diameter to find the area of a circle, ... of a circle 
are equal, we know that two of them make up the diameter of a circle. ... In these 
cases, we will need a way to calculate these parts of circles called sectors. [DOC] [TLE] G-GMD Circumference of a circle - Illustrative Mathematics [PAR] Suppose we define to be the circumference of a circle whose diameter is 1: ... As 
noted in the picture, these isosceles triangles have two sides of length , the 
radius of the circle, ... We know that 2n angles congruent to make up a full circle 
so . [DOC] [TLE] Circles and using a Compass - Interactive Maths Series software [PAR] Circle, centre of a circle, radius, perimeter of a circle, circumference, radii, circle ... 
These parts of a circle are indicated in the accompanying diagram. ... make sure 
that the hinge at the top of the compass is tightened so that it does not slip ... 2. 
Use a compass to draw a circle of diameter 12 cm. 3a. Use a compass to draw a
... [DOC] [TLE] SparkNotes: Geometry: Circles: Characteristics of Circles [PAR] Among these geometric figures are arcs, chords, sectors, and segments. Arc. The 
arc of a circle consists of two points on the circle and all of the points on ... Only 
when the endpoints are endpoints of a diameter is the circle divided into 
semicircles. ... are the chord and the two radii that lie in the rays that make up the 
angle. [DOC] [TLE] Equation of Circles - Regents Exam Prep Center [PAR] Example: Circle with center (2,-5), radius 3 ... equation of a circle has both x2 and 
y2 terms and these terms have the same coefficient ... Let's make some 
observations. ... Write the equation of a circle whose diameter has endpoints (4, -
1) and (-6, 7). ... for the circle shown below if it is shifted 3 units to the right and 4 
units up. [DOC] [TLE] Circle Theorems - Mathematics GCSE Revision - Revision Maths [PAR] Two Radii and a chord make an isosceles triangle. ... Angles formed by drawing 
lines from the ends of the diameter of a circle to its circumference form a right 
angle. ... But all of these angles together must add up to 180, since they are the... [DOC] [TLE] Circle - Wikipedia [PAR] A circle is a simple closed shape in Euclidean geometry. It is the set of all points 
in a plane that ... A circle is a simple closed curve which divides the plane into 
two regions: an interior .... Thus the length of the circumference C is related to the 
radius r and diameter d by: .... These points are called the circular points at infinity
. [DOC] [TLE] Calculating Area | Skills You Need [PAR] Solution 1 and 2 require that you make two shapes and add their areas ... Add 
these two areas together to find the total area: ... You can measure the diameter 
or radius at any point around the circle  the ... First, work out the area of the main 
shape of the house  that is the rectangle and triangle that make up the shape. [DOC] [TLE] Circles on ACT Math: Geometry Formulas and Strategies [PAR] Aug 9, 2015 ... And, considering how often circles show up, mastering circle problems is 
definitely in your best interest. ... And if its diameter is 2, then its circumference is 
2, etc. ... The height of each of these wedges would be the circle's radius and 
the .....

Question: In a circle, 2 of these make up a diameter
Answer: radii