Question: If the coordinates of the center of a circle are (0, 0) and it passes through the point (3, 4), what is the radius of the circle?
Options:
Correct Answer: 5 units
Solution:
Radius = distance from center to point = √[(3 - 0)² + (4 - 0)²] = √[9 + 16] = √25 = 5 units.