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Assume that lines that appear to be tangent are tangent. O is the center of the circle. Find the value of x. (Figures are not drawn to scale.) M<O=135    https://study.ashworthcollege.edu/access/content/group/59841a3a-ae83-40e0-9ad2-cdbb53b336a0/Geometry%20Part%20II/Additional%20Exam%20Question%20Images/Exam%206.1%20image%202.JPG

 

 

 

A. 315

 

B. 67.5

 

C. 45

 

D. 270

 Feb 13, 2017
 #1
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The  two tangents and two radii  form a quadrilateral.......the sum of the interior angles of a quadrilateral  = 360

 

The two radii drawn to the tangents form 90°  angles each...so......

 

x = 360 - 90 - 90 - 135   = 45°   = "C"

 

 

 

cool cool cool

 Feb 13, 2017

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