Answer:
a is the answer
Step-by-step explanation:
F^-1(R)=0.56433264/R,-0.5633264/R
took me a while to get this answer..hope i helped!
Answer:
it is slightly less than 12
Step-by-step explanation:
Answer:
40°
Step-by-step explanation:
180-(57+43)=100°
which mean the angle at the top =100°
180-100=80°
x=80/2
x=40