isabel1365
isabel1365
16-12-2021
Mathematics
contestada
Please someone help me
Respuesta :
solime
solime
16-12-2021
Sum of angles in a triangle = 180
Assuming the triangle is iscoceles as there are two angles that are the same (3x).
180 - 126 = 54 (to find the sum of the remaining angles)
3x + 3x = 54
6x = 54
Solve for x:
x = 54 / 6
x = 9
Answer Link
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