Respuesta :
Answer:
x=9
Step-by-step explanation:
Use Pythagorean Theorem -> a^2 + b^2 = c^2
a^2 + b^2 = c^2
(12^2) + b^2 = (15^2)
144 + b^2 = 225
225 - 144 = 81
√81 = 9
x = 9
Answer:
x=9
Step-by-step explanation:
Use Pythagorean Theorem -> a^2 + b^2 = c^2
a^2 + b^2 = c^2
(12^2) + b^2 = (15^2)
144 + b^2 = 225
225 - 144 = 81
√81 = 9
x = 9