Angles Question
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Grade 4 Angles CCSS: 4.MD.C.7
The measure of angle ABD is 90°. The measure of angle CBD is 30°.
Which equation can be used to find the value of angle ABC?
Which equation can be used to find the value of angle ABC?
- ABC+30=90
- ABC-30=90
- ABC×30=90
- ABC÷30=90