HilianaW515506 HilianaW515506

28-10-2022
Mathematics

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15. Solve for x.71°(10x + 6)(13x - 2)(8x - 1)where did this person get 109 from?

15 Solve for x7110x 613x 28x 1where did this person get 109 from class=

Respuesta :

MahaleyQ539450 MahaleyQ539450

28-10-2022

Neighbor angles sumed up = 180 °

Then

Angle a = 180 - 71= 109°

Now apply rule

Sum of internal angles = 360°

So then

(10x + 6) + 109 + ( 8x - 1) + (13x - 2) = 360

(10x + 8x + 13x) = 360 - 6 - 109 + 1 + 2

31x = 248

x = 248/31= 8

Then ANSWER IS

x = 8

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