Respuesta :

LammettHash

For each problem, use the inscribed angle theorem.

19.

[tex]45^\circ=\dfrac12m\widehat{QR}\implies m\widehat{QR}=90^\circ[/tex]

20.

[tex]95^\circ=\dfrac12m\widehat{ABC}\implies m\widehat{ABC}=190^\circ[/tex]

21.

[tex]49^\circ=\dfrac12m\widehat{LR}\implies m\widehat{LR}=98^\circ[/tex]

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

[tex]m\widehat{LR}+m\widehat{RN}=m\widehat{LN}=180^\circ\implies m\widehat{RN}=82^\circ[/tex]

Otras preguntas