Answer:
19.34cm
Step-by-step explanation:
Rigth Angled triangle
use SOHCAHTOA
Cos°=adj/hyp
Cos 71=6.3/BC
BC=6.3/COS 71
COS 71°= 0.3256
BC=6.3/0.3256
BC= 19.34cm
it's probably 679 whole tenths
800 is the answer
90-40= 50---->4000/50=800
Answer: 0.875
divide total amount (0.42) by number of hours (3)
0.42 / 3 = 0.14 inches per hour