Question

PLEASE HELP ME!!!! WILL MARK BRAINLIEST!!

Answer 1

There are a variety of ways you can solve this. I'll use the sine trig function.

If the $\frac{sinR}{1}$ = $\frac{8}{17}$ you can simply put $\frac{8}{17}$ into a scientific calculator and press "sin-1" to get an answer of approximately 28, which means that angle R is 28°