Can someone explain, how to divide fractions?
2 answers:
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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
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
Answer:
3
Step-by-step explanation:
Easy pythagorean theorum question.
The law states that "A squared plus B squared, equals C squared."
A and B are the two sides that border the 90 degree mark.
C is the hypotenuse or the longest side/diagonal.
Since we know C and A (I chose to use A because why not) we can fill in the equation with what we know
2^2 + ?^2 =
So
4 + ?^2 =
Since the 13 is already squared in side of a root, it stays as 13
4 + x^2 = 13
4 - 4 + x^2 = 13 - 4
x^2 = 9
x^2 root = root of 9
x = 3
The missing side is 3.
Or you could use an online calculator xD