Use the sine function.
sine = opposite side of triangle divided by the hypotenuse.
Here is the set up:
sin(50°) = BC/3
sin(50°)/3 = BC
Use your calculator to simply left side.
Take it from here.
Answer:
C =85
Step-by-step explanation:
n=180-133+180-142=47+38=85
It’s volume / designation
Answer:
the number of protons in the nuclues of an atom
