Answer:
x = 3.4
Step-by-step explanation:
Use the sin formula, due to the fact of the hypotenuse being known, and the variable being across 70.
Sin(70) = x / 3.6
Sin(70) * 3.6 = x
3.3828934 = x
Round to nearest tenth, as question asked
3.4 = x
-- Gage Millar, Algebra 1/2 Tutor (Pending Pre-Calc Tutor)