1. To find the area of a triangle if you know SAS (Side - Angle - Side), you use the formula 

You just put the numbers in:

and solve it:

which makes 601.2 mm^2 the correct answer.

2. law of sines: 

This means that either two of them are equal, so you just plug in the numbers given (which are A, B, and a) and solve for b: 

which gives you 48.4, so that must be the correct answer.

I hope this helped, if you have further questions don’t hesitate to ask

- Kendra