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