Big Ideas Math Integrated I, 2016
BI
Big Ideas Math Integrated I, 2016 View details
1-3. Quiz
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Exercise 12 Page 466

What do you know about the given angle?

No.

Practice makes perfect
Let's begin by looking at ∠ DBG. It is the angle between DB and BG.

Nowhere in the diagram are we given any information about the measure of this angle. Therefore, we cannot assume that ∠ DBG is a right angle.