Given: ∠BAD ≅ ∠CAD
AD ⊥ BC
Prove:
∆ ABC is isosceles
Statements
Statement
1
Reasons
Reason
1
∠BAD ≅ ∠CAD
Statement
2
Statement
3
Statement
4
Given
Reason
2
Given
AD ⊥ BC
Since AD
Reason3
⊥ BC
then <BDA ≈ <CDA are right
angles; all right angles are congruent
Statement
5
Reason
4
Definition of a perpendicular bisector
Reason
5
AD≈AD
Statement
6
Reflexive Property of equality
Reason
6
∆ BAD≈∆ CAD
Statement
7
ASA
Reason
7
BA≈CA
Statement
8
CPCTC
Reason
8
ABC is Isosceles
Definition of Isosceles
Note: The number of rows provided in the proof table above is arbitrary and not necessarily
representative of the number of statements needed to complete this proof logically.
Evaluation Report
Evaluation Results
010009000003ff00000000008100000000000400000003010800050000000b0200000000050000
000c0211000f00030000001e00040000000701040004000000070104000800000026060f000600
544e5050060145000000410b8600ee0010000e000000000010000e0000000000280000000e0000
00100000000100010000000000000000000000000000000000000000000000000000000000ffffff
00000000001fe07c051fe000007ff8f004fffc0000fffc0000fffc0000fffc0000fffc0000fffc79057ff87
9051fe079051fe079051fe079051fc00e6f0000000081000000410bc600880010000e00000000001
0000e0000000000280000000e00000010000000010004000000000000000000000000000000000
0000000000000000000000000ffffff008be1ff00d1fbff0036363600898989003fc68d00e6e6e600b
7b7b70096969600696969000000000000000000000000000000000000000000111111111111110
111100000000111c0111033333301110010002222220001bf0aa00000000aa0030999999999999
044088888888888800207744444444770440114555555461000014500000054104410001333330
001091110133333011144111013333301110811101111120111c01110000000111104111111111
11111c00800000026060f000600544e50500701040000002701ffff030000000000Print
E-Care Support Request Form
Author:
Sonya Steward
Date Evaluated:
01/07/2012 10:06:01 PM (CST)
DRF template:
QLT1* Quantitative Literacy (V1 UNDERGRAD-0610)
Program:
QLT1* Quantitative Literacy (V1 UNDERGRAD-0610)
Evaluation Method:
Using Rubric
Display:
All Comments
Criteria Description
Evaluation Summary for Quantitative Lit.: RQLT Task 4
Final Score:
Does not Meet
Overall comments:
Clear progress is made in the proof, but a few revisions are still required. Use the evaluator's
notes to make the remaining changes and resubmit when ready.
Detailed Results (Rubric used: RQLT Task 4)
Articulation of Response (clarity, organization, mechanics)
(0) Unsatisfactory
(1) Needs Revision
(2) Satisfactory
The candidate provides unsatisfactory articulation of response.
The candidate provides weak articulation of response.
The candidate provides adequate articulation of response.
Criterion Score: 2.00
A. Proof
(0) Unsatisfactory
(1) Needs Revision
(2) Satisfactory
The candidate does not accurately complete the proof using a 2-column proof format with
statements on the left and reasons on the right.
The candidate accurately completes all but 1 to 2 steps of the proof using a 2-column proof
format with statements on the left and reasons on the right.
The candidate accurately completes the proof using a 2-column proof format with statements on
the left and reasons on the right.
Criterion Score: 1.00
Comments on this criterion: The proof is nearly complete, but one statement requires revisions.
Statement three should be broken into two statements and the original reason for statement three
is close, but imprecise. Revise to address these issues.
B. In-Text Citations and References in APA Format
(0) Unsatisfactory
(1) Needs Revision
(2) Satisfactory
If the candidate uses outside sources, the candidate does not provide in-text citations or
references.
If the candidate uses outside sources, the candidate provides appropriate in-text citations and
references with several major APA formatting errors.
If the candidate uses outside sources, the candidate provides appropriate in-text citations and
references accurately or with only minor APA formatting errors, OR the candidate does not use
outside sources.
Criterion Score: 2.00
Dear Student Please find... View the full answer
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