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Mamont248 [21]
3 years ago
5

Which polygon has an interior angle sum of 1260°?

Mathematics
2 answers:
UNO [17]3 years ago
7 0

Answer:

nonagon

Step-by-step explanation:

let's see

we know that

:180(n_2)

:180(9-2)

:1260°#

this is ans

Tomtit [17]3 years ago
6 0

Answer:

Step-by-step explanation:

Solution

Interesting question.

The formula for the sum of the interior angles is

(n - 2)*180 = x

In this case, x = 1260

(n - 2)*180 = 1260                            Divide both sides by 180

(n -2 )* 180/180 = 1260/180

( n - 2) = 7                                         Remove the brackets

n - 2 = 7                                            Add 2 to both sides

n - 2 + 2 = 7 +2                                 The 2s on the left cancel

n = 9

Answer: Nonagon

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