shabnammalikzada210 shabnammalikzada210

11-09-2021
Mathematics

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please answer it step by step

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malorm25 malorm25

11-09-2021

Answer:

18 degrees

Step-by-step explanation:

5x + x +90 = 180

5x + x = 180-90

5x=90

5x/5=90/5

X = 18

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