The formula to find the measure of an interior angle is

, where

represents the number of sides in the polygon. In this problem,

would represent

.
Let's plug in the value for


Let's simplify that.

Now we know that the <span>measure of an interior angle of a regular three-sided polygon is 60</span>°.
Your answer would be B!Let me know if you have any questions regarding this problem!
Thanks!
-TetraFish
Sam will need 30 rolls of 30 inches of paper
Answer:
$126000
Step-by-step explanation:
Gross salary per month = $10500
Gross salary per annum
= Gross salary per month × 12
= $10500 × 12
= $126000
Answer:
12 and 4
Step-by-step explanation:
it is the number being multiplied by the variable
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