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Big Ideas Math Integrated I, 2016

BI

Big Ideas Math Integrated I, 2016 View details

5. Measuring and Constructing Angles

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Exercise 18 Page 420

How many markings does ∠ EAD have?

∠ ADB
∠ DBC

Practice makes perfect

Let's copy the diagram and include the fact that ∠ AED=34^(∘) and ∠ EAD=112^(∘).

Any angle with the same number of markings as ∠ EAD is going to be congruent. Examining the diagram, we can identify two such angles: ∠ ADB and ∠ DBC.

Subchapter links

Communicate Your Answer p.413

Monitoring Progress p.414-418

Exercises p.419-422