Seudónimo Seudónimo
  • 03-08-2019
  • Mathematics
contestada

HELP!!!! Find the length of BC⎯⎯

A. 45.07

B. 46.97

C. 36.5

D. 74.63

HELP Find the length of BCA 4507B 4697C 365D 7463 class=

Respuesta :

carlosego
carlosego carlosego
  • 13-08-2019

For this case we have to define trigonometric relationships of rectangular triangles, that the sine of an angle is given by the opposite leg to the angle on the hypotenuse of the triangle. That is to say:

[tex]Sin (51)=\frac {CB} {58}\\CB=Sin (51) * 58\\CB=0.777 * 58\\CB =45.07[/tex]

Answer:

Option A

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