Which figures are polygons?

Select each correct answer.

Figure A

Figure B

Figure C

Figure D

Figure A

Figure B

Figure D

Step-by-step explanation:

A polygon is created by having at least 3 or more straight sides.

Look at each shapes. Figure A, B, D, all have at least 3 straight sides, while Figure C only has 1.

Your answer is

Figure A

Figure B

Figure D

~

answerthe vertex form

step-by-step explanation:

answer:   x = 3 + √11     and     x = 3 - √11

step-by-step explanation:

x² - 6x + 9 = 11

(x - 3)² = 11

x - 3 = ±√11

    x = 3 ± √11

x = 3 + √11     and     x = 3 - √11