PLS PLS HELP !!! I need it :(
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Given the figure in the attached image.
Circle O has diameter FG and chord FH.
If arc GH is;
we want to find the measure of angle HFG.
Recall that from circle geometry theorems;
"The angle at the center of a circle is twice the angle at the circumference of the circle."
So;
substituting the value of GH;