Question 547631: explain how to draw a circle that is circumscribed about a triangle. what is the center of a circle called? describe its radius.
Answer by richard1234(7193)   (Show Source):
You can put this solution on YOUR website! A circle circumscribed about a triangle is uniquely determined by the triangle's vertices. The center is called the circumcenter (circum = around, as in circumcircle). The radius (usually denoted R) is called the circumradius, and satisfies the property
A = abc/(4R),
where A is the area of the triangle and a,b,c are the sides.
|
|
|
