3 years ago

Need help with all of these! (55 points!)

Mathematics

2 answers:

podryga [215]3 years ago

7 0

Answer:

Step-by-step explani belive you add it if it is improper then simplify hope it helps

Marrrta [24]3 years ago

3 0

Number 1 is 41/8
number 4 is 19/10
number 3 is 35/6
number 1 is 29/6
the one on the last picture is 13/9

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Work out the number of sides of a regular polygon with the interior angle of 172 degrees.

Harman [31]

$interior\ angle=\frac{(n-2)*180}{n}\\n-number\ of\ sides\\\\
172=\frac{(n-2)*180}{n}\ \ \ |*n\\
172n=180n-360\ \ \ |Subtract\ 180n\\
-8n=-360\ \ \ |Divide\ by\ -8\\
n=45\\\\
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Step-by-step explanation:

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