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radius
True
FALSE
The center of an inscribed angle is either a vertex or an endpoint.
This is true. The answer is obvious if you think about it the following way: an equilateral triangle has three equal sides, and every point on the circumference of a circle is the same distance from the center of the circle. Therefore, it is safe to assume that the circle will touch the midpoint of each side of the triangle. It also means that the center of the circle will be in the center of the triangle. Therefore, the radius of the circle will travel from the center of the triangle to the midpoint of one of the sides. This will cover the distance of half the triangle's median.
radius
True
True
FALSE
It is its inradius.
False apex q
The shortest driving distance is 13.4 miles.
The center of an inscribed angle is either a vertex or an endpoint.
If talking in terms of the shortest distance around a sphere, the answer is NO.
1.
That is the definition of the incenter; it is the center of the inscribed circle.
The shortest driving distance is 80.3 miles.