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Preparing for the Regents Examination Geometry, AK

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20 Score Explanation<br />

6 The following proof or ano<strong>the</strong>r appropriate proof is given.<br />

130 Cumulative Reviews<br />

Statements Reasons<br />

1. Parallelogram ABCD 1. Given.<br />

2. A C 2. Opposite angles of a parallelogram are<br />

congruent.<br />

3. m1 m2 3. Given.<br />

4. 1 2 4. Angles with equal measures are<br />

congruent.<br />

5. 1 and 4 are a linear pair.<br />

2 and 3 are a linear pair.<br />

6. 1 and 4 are supplementary. 2 and<br />

3 are supplementary.<br />

5. Definition of linear pair.<br />

6. Two angles that <strong>for</strong>m a linear pair are<br />

supplementary.<br />

7. 3 4 7. Supplements of congruent angles are<br />

congruent.<br />

8. AFE CHG 8. AA.<br />

9. FE _<br />

FA<br />

GH<br />

_<br />

CH<br />

9. Corresponding parts of similar<br />

triangles are in proportion.<br />

10. FE CH GH FA 10. The product of means equals <strong>the</strong><br />

product of extremes.<br />

5 An appropriate proof with correct conclusion is shown, but one reason is faulty and/or<br />

one statement is missing.<br />

4 A faulty conclusion or no conclusion is drawn from <strong>the</strong> statements and reasoning.<br />

3 An appropriate proof with correct conclusion is shown, but two reasons are faulty or<br />

two steps are missing.<br />

2 An appropriate proof with correct conclusion is used, but more than two reasons are<br />

faulty or more than two steps are missing or have errors.<br />

1 FE CH GH FA and a reason is given, but no appropriate method is shown.<br />

0 A zero response is completely incorrect, irrelevant, or incoherent or is a correct response<br />

that was obtained by an obviously incorrect procedure.<br />

Chapters 1–13<br />

(pages 473–475)<br />

Part I<br />

Allow a total of 20 credits, 2 credits <strong>for</strong> each of <strong>the</strong> following correct answers. Allow credit if <strong>the</strong> student has<br />

written <strong>the</strong> correct answer instead of <strong>the</strong> numeral 1, 2, 3, or 4.<br />

1 (4) ABD CDB<br />

2 (2) a median<br />

3 (1) 12<br />

4 (1) 1 : 2<br />

5 (1) 2<br />

6 (3) R 270<br />

7 (1) 30<br />

8 (1) 12<br />

9 (3) III and IV<br />

10 (4) −−<br />

TA −−<br />

TO

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