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Type: Multiple-Choice
Category: Angles
Level: Grade 4
Standards: 4.MD.C.7
Score: 3
Author: LBeth
Last Modified: a year ago

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Angles Question

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Grade 4 Angles CCSS: 4.MD.C.7

The measure of angle [math]ABD[/math] is [math]90deg[/math]. The measure of angle [math]CBD[/math] is [math]30deg[/math].

Which equation can be used to find the value of angle [math]ABC[/math]?
Complementary Angle #2
  1. [math]ABC + 30 = 90[/math]
  2. [math]ABC - 30 = 90[/math]
  3. [math]ABC xx 30 = 90[/math]
  4. [math]ABC -:30 = 90[/math]
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