tisonm23
tisonm23
02-03-2021
Mathematics
contestada
Help me find the value of x.
Respuesta :
violantealexandrae
violantealexandrae
02-03-2021
Since the sides are congruent so are the angles (SSS) so 3x+3x+3x=180 because all the angles in a triangle add up to 180 degrees
9x=180
X=20
So the answer is x =20
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