Respuesta :

kiiey

Answer:

6.4 cm

Step-by-step explanation:

i think you'd use pythagoras theorem if you don't know any of the angles . a^2 + b^2 = c^2 . so 4^2 + 5^2 = square root 41 ,, = 6.403124237 cm

i apologise if it is incorrect ^^