maggiefriv17 maggiefriv17

02-03-2021
Mathematics

contestada

Someone help please and make sure it’s right:)

Someone help please and make sure its right class=

Respuesta :

Hrishii Hrishii

02-03-2021

Answer:

-9

Step-by-step explanation:

(x + 89)° + (x + 109)° = 180°

(interior angles on the same side of transversal)

(2x + 198)° = 180°

2x + 198 = 180

2x = 180 - 198

2x = - 18

x = - 18/2

x = - 9

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