Construction To circumscribe an equilateral triangle about a circle, construct AB
Chapter 11, Problem 47(choose chapter or problem)
Construction To circumscribe an equilateral triangle about a circle, construct AB parallel to the horizontaldiameter of the circle and tangent to the circle. Then usea 30-60-90 triangle to draw AC and BC so that they form60 angles with AB and are tangent to the circle.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer