Respuesta :

Answer:

7

Step-by-step explanation:

tan theta = opposite side /adjacent side

tan 45 = 7/x

Multiply each side by x

x tan 45 = 7

Divide each side by tan 45

x tan 45/ tan 45 = 7/ tan 45

x = 7/ tan 45

x = 7

ill say the anwser is 7