Question

Help pls:Find all the missing elements

Answer 1

Explanation:

Using Sine Rule

`( \sin(a) )/( |a| ) = ( \sin(b) )/( |b| ) = ( \sin(c) )/( |c| )`

`( \sin(42) )/(5) = ( \sin(38) )/(a)`

`a = (5( \sin(38)))/( \sin(42) )`

`a = 4.6`

`( \sin(42) )/(5) = ( \sin(100) )/(b)`

`b= (5( \sin(100)))/( \sin(42) )`

`b = 7.4`