math

Plz explain to me how to do this :

The angles of an equilateral triangle are congruent. If x represents the measure of one angle of an equilateral triangle which equation represents the sum of the angle measures of the triangle



A. x+x=90 degrees

B.x+x+x=90 degrees

C.x+x=180 degrees(I PICKED THIS EVEN THOUGH IT MIGHT BE WRONG :(

D. x+x+x=180 degrees

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  1. Not C. Triangles have three angles.

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    Ms. Sue
  2. ohh so can you please explain it to me how to solve it ?

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  3. How many angles are there in a triangle?

    How many total degrees are there in a triangle?

    https://www.mathsisfun.com/triangle.html

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    Ms. Sue
  4. 3 angles and 180 degrees

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  5. Right. So which answer is right?

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    Ms. Sue
  6. d or c well mainly all angles must add up to 180 degrees but if you multiply 30 3 times its 90 so idk

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  7. i know its not a or c but im considering the last 2 im gonna go with the best answer i believe it is once i figure this is

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  8. what this is*

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  9. Only one choice shows three unknown angles adding up to 180 degrees.

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    Ms. Sue
  10. c? im sorry if its wrong im trying tho

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  11. i ment d im sorry my phones broken and i guess i chosen the wrong anwser

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  12. im pretty sure its D

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