4 years ago

PLZ HELP ASAP INSCRIBED ANGLES LAST ONE

1 answer:

3 0

If a triangle is inscribed in a circle, and its hypotenuse is the diameter, it is automatically a right triangle.
Using the Pythagorean theorem, (diameter AB)^2 = (AC)^2 + (BC)^2
AB^2 = 144 + 25 = 169
AB = 13
Therefore the radius is 13/2 = 6.5 units.

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