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  • 26-08-2017
  • Mathematics
contestada

Δ abc is isosceles. angles b and c are congruent. the m∠a = 40°, m∠b = (3x + 1)°. find x.
a.13
b.23
c.46.3
d.70

Respuesta :

Аноним Аноним
  • 26-08-2017
(3x+1) = 40
3x= 39
X= 13
Hope this helps.
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