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Type: Multiple-Choice
Category: Angles
Level: Grade 7
Standards: 7.G.B.5
Author: LBeth
Last Modified: 12 days ago

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Grade 7 Angles CCSS: 7.G.B.5

Based on the following information, including the fact that [math]ang ABC[/math] and [math]ang CBD[/math] are supplementary, which equation could be used to solve for x?

[math]mangDBC =x - 10[/math]
[math]mangABC = x + 30[/math]
Supplementary Angle #2
  1. [math](x - 10) - (x + 30) = 90[/math]
  2. [math](x - 10) - (x + 30) = 180[/math]
  3. [math](x - 10) + (x + 30) = 90[/math]
  4. [math](x - 10) + (x + 30) = 180[/math]
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