Question

PLEASE HELP find the missing side

Answer 1

Answer: 27.61, 12.94, 23.85 units in order

Explanation:

The sine rule states that the ratio between the length of a side of a triangle and the sine of the angle opposing the length will be the same for the same triangle.

Q13 From the rule, we can get the equation
`(x)/(sin(90)) = (17)/(sin(38))` and from here we can solve for x which is 27.61 units

Q15 For this one, we can find the angle opposing the 12-unit length by taking 180° and subtract by the two known angles to get 68° and we can get the equation
`(x)/(sin(90)) = (12)/(sin(68))` and solve for x which is 12.94 units

Q17 Same thing with Q13,
`(x)/(sin(90)) = (20)/(sin(57))` and x is 23.85 units