Which of the following best describes a regular polygon when the measure of each exterior angle is 36? A. Decagon B. Octagon C.
2 answers:
We would have to determine which of the following polygons would be able to be divided by 
°÷
<== the sides of polygon.
Your answer: (Decagon).
We know that a decagon would have 10 sides, so when dividing 360÷36, this would then give us our answer as 10.
And also, a decagon would have 10 sides, which proves that the option "decagon" would be the correct answer.
Your answer: (Decagon).
We know that a decagon would have 10 sides, so when dividing 360÷36, this would then give us our answer as 10.
And also, a decagon would have 10 sides, which proves that the option "decagon" would be the correct answer.
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Answer:
The theater has 32 rows
Step-by-step explanation:
The rule of the sum of n terms of an arithmetic sequence is S =
(a + l), where
- a is the first term
- l is the last term
- n is the number of the terms
∵ The number of seats per row follows an arithmetic sequence
∵ The first row has 26 seats
∴ a = 26
∵ The last row has 150 seats
∴ l = 150
∵ The theater seats are 2,816
∴ S = 2,816
→ Substitute these values in the rule of the sum above to find n
∵ 2,816 = (26 + 150)
∴ 2,816 = (176)
∴ 2,816 = 88n
→ Divide both sides by 88
∴ 32 = n
∵ n represents the number of the rows
∴ The theater has 32 rows