helpzak helpzak

21-01-2021
Mathematics

contestada

round your answer to the nearest hundredth angleB =

round your answer to the nearest hundredth angleB class=

Respuesta :

stephgonzalez2 stephgonzalez2

21-01-2021

Answer:

Use law of sine

sin90/9=sinB/4

4sin90/9=sinB

sin^-1(4sin90/9)=(sinB)sin^-1

=26.3877999612

26.39 degrees

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