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astra-53 [7]
2 years ago
5

Find the measure of an exterior angle of a regular polygon with 18 sides.

Mathematics
1 answer:
Elenna [48]2 years ago
8 0

Answer:

compute its exterior angle as 360/18, which is 20 degrees

Step-by-step explanation:

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Move constant to the right-hand side and change its sign

2x^2 + 8 = -2 + 7
-2 + 7 = 5

Divide both sides of the equation by

x^2 + 4x = 5/2

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3 years ago
in triangle TVY the measure of angle T is 20 The measure of angle V is 25 The measure of angle W Is 135 what is combined measure
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The answer is 180°

Step-by-step explanation:

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Solve for x. 5 x − 19 ≤ 1 OR − 4 x + 3 &lt; − 6
k0ka [10]

5x - 19 \leqslant 1

change

\leqslant  \: to \:  =

given you

5x - 19 = 1

making x the subject by transferring the -19 to the right hand side of the equation

5x = 19 + 1

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dividing through by 5

\frac{5x}{5}  =  \frac{20}{5}

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also given

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change the operation sign to =

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dividing through by -4

\frac{ - 4x}{ - 4}  =  \frac{ - 9}{ - 4}

x =  \frac{9}{4}

so the truth set is

{x:x>9/4}.

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3 years ago
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