4 years ago

Solve for xxx in the diagram below

Mathematics

1 answer:

IrinaVladis [17]4 years ago

4 0

Answer:

x=20°

Step-by-step explanation:

x° + 100° + 3x° = 180° => 4x°+100°=180° => 4x=180°-100°=80° => x=80° : 4 = 20° => x=20°

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