Answer:
find total of y plug it in with the problem and you should get your answer. im working on it now.
Step-by-step explanation:
Answer: Regular octagon A regular octagon is a closed figure with sides of the same length and internal angles of the same size. It has eight lines of reflective symmetry and rotational symmetry of order 8.
Step-by-step explanation:
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MMC (7,8,14,4)
7,8,14,4 | 2
7, 4, 7, 2| 2
7, 2, 7, 1| 2
7, 1, 7, 1| 7
1, 1, 1, 1____ 2*2*2*7 = 56
Solving
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<span>Cancel the denominators (56)
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The answers are:
the first term: 21
the fourth term: 22
the tenth term: 39
<span>A(n) = 12+(n - 1)(3)
n = 1
A(1) = 12 + (1 - 1)(3) = 12 + 0*3 = 12 + 0 = 12
n = 4
</span>A(4) = 12 + (4 - 1)(3) = 12 + 3*3 = 12 + 9 = 21
n = 10
A(10) = 12 + (10 - 1)(3) = 12 + 9*3 = 12 + 27 = 39