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
This is a percent proportion answer I think so you need to use the percent proportion formula and find the answer
Answer:
Idk that one be tricky
Step-by-step explanation: