Answer:
X = 45
Step-by-step explanation:
Hope it will be helpful for you.
Answer:37.4x
Step-by-step explanation:
Euler's formula for a polyhedron is given by:

Make E, the subject of the formula:

Put F = 20, V = 12, to obtain E,

Therefore, there are 30 edges
the 24th term of the arithmetic is 146
Answer:
i would help but im not smart enough sorry
Step-by-step explanation: