Answer:
19. D
20. A
Step-by-step explanation:
19. Tan= opp/adj
20. Sin= opp/hyp
20. a 24/30 = 4/5
19. Tan = opp/adj
20. sin = opp/hyp
h=A-2πr2/2πr
2miles
H1 H2 H3 TH TT