Preparing for the Regents Examination Geometry, AK

Part IV
For each question, use the specific criteria to award a maximum of 6 credits.
18 Score Explanation
6 a If the sum of the measures of two acute angles is 90, the two angles are
complementary.
b If two acute angles are not complementary, then their sum is not 90.
c If the sum of the measures of two acute angles is not 90, then the two acute angles
are not complementary.
d Two acute angles are complementary if and only if the sum of their measures is 90.
5 Student answers all but one part correctly.
3 Student answers only two parts correctly.
1 Student answers only one part correctly.
0 A zero response is completely incorrect, irrelevant, or incoherent or is a correct response
that was obtained by an obviously incorrect procedure.
19 Score Explanation
1 (2) Reflexive postulate
2 (3) Addition postulate
1 (4) Partition postulate
2 (5) Substitution postulate
0 A zero response is completely incorrect, irrelevant, or incoherent or is a correct response
that was obtained by an obviously incorrect procedure.
20 Score Explanation
1 (2) Definition of bisector
1 (3) Definition of midpoint
2 (4) Doubles of equals are equal.
2 (5) Substitution postulate
0 A zero response is completely incorrect, irrelevant, or incoherent or is a correct response
that was obtained by an obviously incorrect procedure.
Chapters 1–4
(pages 442–445) Part I
Allow a total of 20 credits, 2 credits for each of the following correct answers. Allow credit if the student has
written the correct answer instead of the numeral 1, 2, 3, or 4.
1 (3) 220 5 (2) 120
2 (2) a median 6 (1) 3 and 2 are nonadjacent complementary angles.
3 (4) 120 7 (2) b
4 (3) If the diagonals of a quadrilateral 8 (3) BAR and RAI
are not congruent, then the 9 (1) mx my
quadrilateral is not a rectangle. 10 (3) a b 4
98 Cumulative Reviews