Question

AB=25 , BD=4, Solve for the radius?
Please help!!!!!

Answer 1

9514 1404 393

Answer:

r = 14.5

Explanation:

AD is the perpendicular bisector of chord EC, so is the diameter of the circle. The radius is half the diameter.

r = AD/2 = (AB +BD)/2 = (25 +4)/2 = 29/2

r = 14.5

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Segments BE and BC are 10 = √(25·4)