Respuesta :

Answer:

4.50

Step-by-step explanation:

sin 40°= opposite/hypotenuse

sin 40°= opp/7

0.6428= opp/7

multiply both sides by 7

[tex]0.6428 \times 7 = \frac{opp}{7} \times 7 [/tex]

4.4996= opp

to nearest hundredth = 4.50