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3 years ago

Which of the following best describes a regular polygon when the sum of its interior angles is 1260?

2 answers:

4 0

Nonagon - 9 sides

Sum of interior angle of a polygon is (n-2)180 = x

N is the number of sides, so when you plug in 1260 for x, you get 9 for n

bezimeni [28]3 years ago

4 0

Answer:

Step-by-step explanation:

Alright, lets let started.

The formula for sum of interior angle for a polygon is = $(n-2)*180$

Where n is the number of sides of polygon.

$(n-2)*180= 1260$

Dividing both sides from 180, so

$(n-2)=\frac{1260}{180}=7$

$n-2=7$

$n=9$

So, the number of sides are 9

Hence the polygon will be Nonagon. : Answer D

Hope it will help :)

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Step-by-step explanation:

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Given that DEF with vertices D(2,6), E(5,6), and F(5,1)

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3 years ago

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Answer:

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Step-by-step explanation:

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