The formula states that:
Faces + Vertices - Edges = 2
So 21 + V - 49 = 2 => V = 2+49-21 = 30
Answer A!
Answer:
d= 99 e= 81 f= 99
Step-by-step explanation:
Answer:
x= -3
Step-by-step explanation:
simplify.
1+4=x-8
Move all terms containing x to the left
1+3x=-8
Move all terms NOT containing to the right
3x=-9
Divide each term by 3
x= -3
Answer:
A=59 because it is opposite of E
B= 39 because 180-141=39
C=82 because 180-39-59=82