byang6765 byang6765
  • 26-04-2020
  • Mathematics
contestada

In cirlce m segment AB is tangent to the cirlce at point c. AB has endpoints such that AM is perpendicular to BM, AC =9 and BC=4. What is the length of the radius of circle M

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hafsaabdulhai
hafsaabdulhai hafsaabdulhai
  • 03-05-2020

Answer:

6 units

Step-by-step explanation:

look at the attachment

r= 4/tan∅ ⇒ tan∅= 4/r

tan∅= r/9

4/r= r/9

r² = 36

r= 6

Ver imagen hafsaabdulhai
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