jasonarcia2004 jasonarcia2004

11-11-2020
Mathematics

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Help me find D please

Help me find D please class=

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Learntionary Learntionary

11-11-2020

Answer:

21 deg

Step-by-step explanation:

3x + 5x - 2 + 18x = 180 deg (sum angles of triangle)

26x = 182 deg

x = 7 deg

angle D = 3x = 3 x 7 = 21 deg

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