Tell if each shape is a polygon or is not a polygon. Explain how you know. What makes that shape a polygon or not a polygon?

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The first shape is a polygon while the second one is not.

1.A polygon is a flat, two-dimensional (2D) sides is fully closed. while, a non polygon shape is a shape that is not closed or doesn't have straight lines.

2. The thing that makes it a polygon or not is the opening/closing or the straight or non straight lines.

Step-by-step explanation:

i think it's ф or x=6,-6

step-by-step explanation:

-x^2=-36

x^2=-36

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or

if you mean by : -(x^2)=-36

it'll be: x^2=36

x=6,x=-6

hope it'll ! have a good day!

you for asking!

555.99.

step-by-step explanation:

hope this