diattaking1017
diattaking1017 diattaking1017
  • 24-02-2021
  • Mathematics
contestada

Help me please and thank you

Help me please and thank you class=

Respuesta :

clarch19
clarch19 clarch19
  • 24-02-2021

Answer:

x = 20

y = 10

m∡8 = 110°

Step-by-step explanation:

m∡1 + m∡2 = 180

5x + y + 3x + y = 180

8x + 2y = 180

m∡1 = m∡8    (they are alternate-exterior angles and are congruent)

5x + y = 3x + 5y

2x = 4y

x = 2y

Substitute '2y' for 'x' in 8x + 2y = 180

8(2y) + 2y = 180

18y = 180

y = 10

x = 2(10)

x = 20

m∡8 = 3(20) + 5(10) = 110°

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