alblwshydawd38 alblwshydawd38

23-05-2021
Mathematics

contestada

Can anyone answer this question

Can anyone answer this question class=

Respuesta :

Hrishii Hrishii

23-05-2021

Answer:

b. 75°

Step-by-step explanation:

By exterior angle theorem:

3x = x + 70°

3x - x = 70°

2x = 70°

x = 70°/x

x = 35°

Therefore, 3x = 3*35° = 105°

[tex] \measuredangle ACB= 180\degree - 105\degree [/tex]

(Linear pair angles)

[tex] \measuredangle ACB= 75\degree [/tex]

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