The formula A=12bh is used to find the area of the top and bases triangular faces, where A = area, b = base, and h = height.
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Answer from: Quest
an = 22 + (n-1) *6
110 seats
step-by-step explanation:
an=a1+(n-1)(d)
a1 = 22 this is the first item in the sequence
d =6 this is how the sequence goes up
a) an = 22 + (n-1) *6
b) a12 = 22 + (12-1) *6
a12 = 22+11*6
a12 = 22 +88
a12 = 110
Answer from: Quest
It took off from 11 degrees
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