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Find the value of arc AD

Find the value of arc AD
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2 votes
Find the value of arc AD

Find the value of arc AD-example-1
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User Paul Benn
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1 Answer

4 votes
so hmmm if we use the "intersecting chords theorem", the angle of 93°, is really 1/2 * (arcBC + arcAD)

thus
\bf 93=\cfrac{1}{2}(\widehat{BC}+\widehat{AD})\implies 93=\cfrac{161+\widehat{AD}}{2} \\\\\\ 186=161+\widehat{AD}\implies 186-161=\widehat{AD}
answered
User ADAMJR
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