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lakkis [162]
3 years ago
11

What is the sum of the interior angle measures of a 20-gon?

Mathematics
2 answers:
guapka [62]3 years ago
6 0
The answer is A: 360*
poizon [28]3 years ago
5 0

Step-by-step explanation:

360 one gon 18 therefore 18*20=360

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NeTakaya

Hello from MrBillDoesMath!

Answer:

Choice C, sqrt(3-x)

Discussion:

Have no fear, MBill is here!

The quotient is

sqrt (9-x^2)  / sqrt( 3+x)  =         => as sqrt(a)/sqrt(b) = sqrt(a/b), b <> 0

sqrt (   (9-x^2)/( 3+x) )  =             => as 9 - x^2 = (3-x) * (3+x)

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sqrt( 3-x)

This is Choice C

Note the domain restriction -3 < x < = 3 guarantees that division by zero can't happen.

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