Call the short side x. We have
tan 72° = opposite/adjacent = (12.8 cm) / x
x = 12.8 / tan 72° = 12.8/(3.01) = 4.158...
Answer: 4.2 cm
Answer:
1/3 of 3 hours should be 20 minutes
Step-by-step explanation:
13×4/9=52/9
answer as improper fraction is 52/9