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what is the circumcenter of a triangle
It is the centre of mass of a uniform triangle.
Any triangle with a 90 degree angle is a right triangle.
right triangle
The point where the three medians of the triangle intersect
the point where the three angle bisectors of the triangle intersect
a triangle w/ an angle perpendicular like this l_
The point where the perpendicular bisectors of the three sides of the triangle intersect
A. The point where the three altitudes of the triangle intersect. ~Apex
The squared area of a triangle is half of its base times its perpendicular height. Or as: 0.5*base*perpendicular height = area of a triangle
A triangle is said to be well-conditioned when no angle in it is less than 30 degrees or greater than 120 degrees. An equilateral triangle is considered to be the best-condition or ideal triangle.
This can not be done without the stated image.