uhabiba027106 uhabiba027106

13-03-2021
Mathematics

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please help thank you

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Respuesta :

jimrgrant1 jimrgrant1

13-03-2021

Answer:

n = 18

Step-by-step explanation:

(2n) and (n + 18) are vertically opposite angles and are congruent, then

2n = n + 18 ( subtract n from both sides )

n = 18

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