If (3, 4, -1) and (-1, 2, 3) be the end points of a diameter of a sphere, then find the radius of the sphere.
Answers
Answered by
0
Answer:
3
Step-by-step explanation:
This distance between these two points is
√( (-1 - 3)² + (2 - 4)² + (3 - -1)² )
= √( (-4)² + (-2)² + 4² )
= √(16 + 4 + 16)
= √36
= 6
As this is the diameter, the radius is half of this, so the radius is 3.
Similar questions