SOLUTION: What would be the equation for the circunference which diameter is represented by a(4,6) and b(2,2)

Algebra ->  Test -> SOLUTION: What would be the equation for the circunference which diameter is represented by a(4,6) and b(2,2)      Log On


   

Question 356360: What would be the equation for the circunference which diameter is represented by a(4,6) and b(2,2)
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi,

*Note: C+=+pi%2Ad

(4,6) and b(2,2)

the difference in the x values is 2

the difference in the y values is 4

using the Pythagorean Theorem

4%5E2+%2B+2%5E2+=+d%5E2

d+=+sqrt%2820%29+=+2%2Asqrt%285%29

C+=+2%2Api%2Asqrt%285%29