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

Marvin Thobejane asked Mar 24, 2023

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21 votes

Marvin Thobejane asked Mar 24, 2023

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9 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°

Marco Boschi answered Mar 28, 2023

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