Answer
47 degrees
Work Step by Step
We know that one angle in the triangle is 90 degrees. We also know that the sum of the angles in a triangle is 180 degrees. Thus, the missing angle is:
$$ =180-43-90=47$$
Geometry: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281159
ISBN 13:
978-0-13328-115-6
Chapter 12 - Circles - 12-1 Tangent Lines - Practice and Problem-Solving Exercises - Page 767: 7
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