um some one help me on this one!

Answer:
x = 32 yd
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Trigonometry
[Right Triangles Only] Pythagorean Theorem: a² + b² = c²
Step-by-step explanation:
Step 1: Identify Variables
Leg a = x
Leg b = 24
Hypotenuse c = 40
Step 2: Solve for x