How to cook the perfect steak

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slwarrior64
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Circle with inscribed triangle ABC; the dashed perpendicular bisector of side BC passes through the circle at D, and a right-angle mark is shown where it meets BC.
 
Do you see that the measure of arc BC is the same as the measure of angle BAC?
 
Country Boy said:
Do you see that the measure of arc BC is the same as the measure of angle BAC?
Ohhh, and then because the perpendicular bisector bisects BC and meets AD at the circle, it must cut the arc in half? Is there a more formal war to write that?