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Type: Multiple-Choice
Category: Angles
Level: Grade 7
Standards: 7.G.B.5
Score: 21
Author: LBeth
Last Modified: 6 years ago

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

Based on the following information, where ∠ABD is a right angle, which equation could be used to solve for x?

m∠DBC=x
m∠CBA=2x
Complementary Angle #1
  1. 2x-x=90
  2. 2x+x=90
  3. 2x-x=180
  4. 2x+x=180