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Find the measure of the missing angle. *Don't worry about the degree symbol

Find the measure of the missing angle. *Don't worry about the degree symbol-example-1
User Cbrnr
by
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1 Answer

3 votes

this is an ange formed by two intersecting chords

then the missing angle is given by


\theta=(1)/(2)(arcCB+arcSD)
\theta=(1)/(2)(191+55)
\theta=(1)/(2)(246)
\theta=123\degree

the missing angle is 123°

User Ron Rosenfeld
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