Answer: A
Explanation do Pythagorean theorem and find the third side. Then do adjacent/hypotenuse.
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Ok so to solve to first one u do this:
62.4 - 31.53, which gives u 30.87. and then u add 30.87 and 31.33, and u get 62.4
for the second one u do the same thing.
The answer is A,
. This is because when plugging in -2 for x, the expression will look like this:
. To make the exponent positive, you have to flip it into a fraction. Then it will be
. Lastly, you simplify the denominator into 81.
The answer is "A. greater than" because if the number of edges increase, the measure of each exterior angle increases too!
Hope this helps. :)
