Question

Ayuda es para hoy XD

128eec811b4d369d15c610d8a09a4eb8.docx

Answer 1

Respuesta:

2.-

si utilizamos ley de senos

a/sinA=b/sin B=c/sin C

a/sin 12°=5000 m/sin 78°=c/sin 90°

$c = \frac{5000( \sin( {90}^{0} ) )}{ \sin( {78}^{0} ) } \\ c = 5111.70 \: m$

3.-

se aplica la ley de senos

$\frac{a}{ \sin( \alpha ) } = \frac{b}{ \sin( \beta ) } = \frac{c}{ \sin( \gamma ) }$

$\frac{24}{ \sin( {48}^{0} ) } = \frac{b}{ \sin( {42}^{0} ) } = \frac{c}{ \sin( {90}^{0} ) }$

$b = \frac{24 \: m \: ( \sin( {42}^{0} )) }{ \sin( {90}^{0} ) } \\ b = 16.06 \: m$