adrianar10272004 adrianar10272004

02-12-2020
Mathematics

contestada

What is the value of y if f||n
?????

What is the value of y if fn class=

Respuesta :

akposevictor akposevictor

08-12-2020

Answer:

y = 148°

Step-by-step explanation:

4x - 18 = 2x + 12 (alternate exterior angles are congruent)

Collect like terms

4x - 18 = 2x + 12

4x - 2x = 18 + 12

2x = 20

Divide both sides by 2

x = 10

y = 180 - (2x + 12) (linear pair theorem)

Plug in the value of x

y = 180 - (2(10) + 12)

y = 180 - (20 + 12)

y = 148°

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