And whats the rest of the question
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 either 4 or -4 I would suggest
Answer:
10
Step-by-step explanation:
3-(-2)+5
the negative signs next to each other combine to makes a (+)
3+2+5
then you just sum the up
=10