If a regular polygon has 40 sides the measure of each interior angle will be

2 answers:

7 0

The formula for interior angles is:

$S=180(n-2) n=number of sides s=sum of interior angles.$

Using this, plug in 40 as n and find s.
If you do that, you will get s=6840.
Now that you have the sum of interior angles, you have to find one single measure of an angle in your regular polygon.
If 40 equal sides in a regular polygon results to 6,840°, then one vertex should be the sum of the interior angles divided by the total number of sides.

In other words, you will have to find 6840°/40. You will get 171°. That means that the measure of a single interior angle is 171*.

ankoles [38]3 years ago

5 0

Each exterior angle = 360 / 40 = 9 degrees. So each interior angle = 180 - 9
= 171 degrees.

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The factory used to produce 126 articles a day. As a result of retooling, production increased to 189 articles a day. What was t

NARA [144]

Answer: The answer is 50%.

Step-by-step explanation: Given that the factory produces 126 articles in a day. After retooling, the production of the articles increased and they started producing 189 articles in a day. We need to calculate the percent increase in labour productivity.

We have,

Percent Increase in labour productivity will be equal to the percent increase in the number of articles.

Increase in the number of articles after retooling = 189 - 126 = 63.

Therefore, percent increase in the number of articles is given by

$p=\dfrac{63}{126}\times 100\%=\dfrac{100}{2}\%=50\%.$