Answer: a = 6.1 , b = 3.5
Explanation: I used SOH CAH TOA. x is the adjacent side, a is the hypotenuse side and b is the opposite side (as long as you use 35°). To solve for a, use CAH (cos theta = adjacent/hypotenuse). To solve for b, use TOA (tan theta = opposite/adjacent)
I’ve shown my work in the image below. Hope this helps! :)