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3 years ago

Pls help i need to pass this test

Mathematics

2 answers:

Mariana [72]3 years ago

7 0

Answer:

number 3

Step-by-step explanation:

victus00 [196]3 years ago

3 0

I think it's number 3 (srry if it wrong)

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Step-by-step explanation:

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Are 2,3,4,5,6,9,10 divisble by 3

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4 years ago

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Given the regular octagon shown below, what is the measure of angle x?

vladimir1956 [14]

Answer:

$x=45$ °

Step-by-step explanation:

The angle shown in the figure is known as an external angle.

Also, <u>in a regular polygon (like the regular octagon) the sum of all the exterior angles is the same regardless of the number of sides of the figure</u>:

$360$ °

And to find the measure of a single external angle (such as the angle $x$ shown in the figure) we must <u>divide 360 ° by the number of sides n:</u>

$\frac{360}{n}$

and for the regular octagon, since it has 8 sides:

$n=8$

so the value of x is:

$x=\frac{360}{n}\\ \\x=\frac{360}{8}\\ \\x=45$ °

the measure of angle x is 45° which is the second option

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3 years ago