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- A protractor is used to measure ∠DEF.
- Look where ray
is pointing. The angle's measurement is either between 50° and 60° or 120° and 130°. Which is it? - Read the numbers starting with the 0° mark. If each mark is 1°, what is the angle measure for ∠DEF?
- Compare your measurement to your estimate.
- Look at ∠Z.
- Describe the size of ∠Z.
- Choose your best estimate.
30° 60° 350° 270° 330°
