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ASHA 777 [7]
3 years ago
6

Find the measure of the arc or angle indicated.​

Mathematics
1 answer:
xenn [34]3 years ago
7 0

For each problem, use the inscribed angle theorem.

19.

45^\circ=\dfrac12m\widehat{QR}\implies m\widehat{QR}=90^\circ

20.

95^\circ=\dfrac12m\widehat{ABC}\implies m\widehat{ABC}=190^\circ

21.

49^\circ=\dfrac12m\widehat{LR}\implies m\widehat{LR}=98^\circ

LN is a diameter, so arc LN has measure 180º, and so

m\widehat{LR}+m\widehat{RN}=m\widehat{LN}=180^\circ\implies m\widehat{RN}=82^\circ

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