destinyivory2001 destinyivory2001

15-09-2019
Mathematics

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Can someone help me with this question

Can someone help me with this question class=

Respuesta :

Mizuk1ngdom Mizuk1ngdom

15-09-2019

Answer:

Angle A + Angle B + Angle C = 180° (LP)

3x+5 + 5x-18 + 7x-2 = 180

3x +5x + 7x = 180 +15

15x = 195

x=195/15

x=13

Angle A: 3x + 5 = 3 x 13 + 5 = 44

Angle B: 5x - 18 = 5 x 13 - 18 = 47

Angle C: 7x - 2 = 7 x 13 - 2 = 89

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