A right triangle and two of its side lengths are shown in the diagram below. What is the measurement of the value of x in centimeters?(HELP FR REALLY NEED IT RIGHT NOW)

Answer:
x = 25 cm
Step-by-step explanation:
a² + b² = c²
20² + 15² = c²
400 + 225 = c²
625 = c²
√625 = c
25 = c