Find the value of each variable if your answer is not an integer expresses it in simplest radical form. Pic attached. Please help me and give me a step by step on how to do it so I can do othe problems like this in the future

Answer:
Perpendicular x = 7 unit Approx.
Step-by-step explanation:
Given:
Right angle triangle
θ angle = 45'
Hypotenuse = 10
Find:
Perpendicular x
Computation:
Sin θ = Perpendicular / Hypotenuse
Sin 45 = Perpendicular / 10
0.70 = Perpendicular / 10
Perpendicular x = 7 unit Approx.