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Flura [38]
3 years ago
8

Can somebody please help me with this.!

Mathematics
2 answers:
choli [55]3 years ago
7 0
An easier way to do this is to look at the number of sides (9) and subtract it by 2 (7). Then you can just multiply that number by 180
this works for every polygon
densk [106]3 years ago
6 0

Answer:

1260

Step-by-step explanation:

First you will need to find the amount of sides of the polygon:

(After looking it is 9)

Each angle of the side of a nonagon is 140 degrees.

Multiply by 9 since you can make 9 triangles:

140 x 9 = 1260

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Answer:

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Step-by-step explanation:

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Hope this Helps!

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3 years ago
Which equation is equivalent to<br> y-1= 5(x+2) ?
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\log_ab=c\iff a^c=b\qquad(*)\\\\\log_ab^c=c\cdot\log_ab\qquad(**)\\\\---------------------\\\\\log_3x^6=12\qquad\text{use}\ (**)\\\\6\log_3x=12\qquad\text{divide both sides by 6}\\\\\log_3x=2\qquad\text{Use}\ (*)\\\\3^2=x\to\boxed{x=9}

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