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Luis used a protractor and the following steps to find the degree measure of ∠ABC.
- He placed the center of the protractor over the vertex of the angle.
lined up with the 0° mark on the right side of the protractor. He began at 0° and read the degree marks until he reached 
.- Since the angle was less than 90°, Luis decided that ∠ABC measured 70°.
- Look back at your estimate of ∠ABC in Question 7. Did you make a reasonable estimate?
- Look at ∠TUV. Is ∠TUV less than or greater than 90°?
- Describe the size of ∠TUV.
- Choose your best estimate for ∠TUV.
75° 45° 90° 120° 20°
