Question

the distance from the center of a circle to any point on its circumference is the. the distance across a circle through its center is called the. the longest side of a right - triangle, opposite the right angle, is called the.

Explanation:

1. By definition, the distance from the center of a circle to any point on its circumference is the radius.
2. The distance across a circle through its center is the diameter.
3. In a right - triangle, the longest side opposite the right angle is the hypotenuse.

Answer:

1. Radius
2. Diameter
3. Hypotenuse