A line segment that is tangent to a circle O at its midpoint has its endpoints at A and B. If AB = the diameter of circle O, then triangle OAB is a right triangle.
True
False
A right triangle is also equilateral
An increase in volume will increase the density.
If an angle inscribed in a circle is bisected, the bisection ray passes through the center.
If the trisection points of two sides of an isoceles triangle are connect to each other trisection point that is non-adjacent, the figure formed by these lines an isoceles trapezoid.
In a rectangle, the perpendicular bisectors of the two diagonals are perpendicular
In a triangle, the centroid and incenter are the same point.