Respuesta :

Answer: x = 13; y = 13√2

because this is a right triangle, we have:

tan 45° = x/13

⇔ x/13 = 1

=> x = 13

we also have:

cos 45° = 13/y

⇔ 13/y = 1/√2

⇔ y = 13√2

Step-by-step explanation: