Survey

* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project

Document related concepts

Mirror symmetry (string theory) wikipedia , lookup

T-symmetry wikipedia , lookup

History of geometry wikipedia , lookup

Euclidean geometry wikipedia , lookup

Event symmetry wikipedia , lookup

Line (geometry) wikipedia , lookup

Transcript
```Graded Assignment
Name:
MTH203A: Geometry | Unit 3 | Lesson 19: Polygon Basics Unit Test
Date: 11/14/2014
Unit Test, Part 2
Answer the questions below. When you are finished, submit this test to your teacher by the due date for full credit.
(6 points)
1.
Determine whether the regular hexagon has reflection symmetry, rotation symmetry, both, or
neither. If it has reflection symmetry, state the number of axes of symmetry and draw all the
symmetry lines. If it has rotation symmetry, state the angle of rotation.
Score
Copying or distributing without K12’s written consent is prohibited.
Page 1 of 4
MTH203A: Geometry | Unit 3 | Lesson 19: Polygon Basics Unit Test
(10 points)
Score
2. Provide the reasons for the proof.
Given 1  3 and PV PQM
Prove LT P MV
Statements
Reasons
a. PV PQM
a. Given
b. 1 is supplementary to 2
b.
c. m1 + m2 = 180
c.
d. 1  3
d. Given
e. m1 = m3
e. Alternate interior angle theorem
f. m3 + m2 = 180
f. Substitution
g. 3 is supplementary to 2
g. Transitive
h.
 LT P MV
Copying or distributing without K12’s written consent is prohibited.
h.
Page 2 of 4
MTH203A: Geometry | Unit 3 | Lesson 19: Polygon Basics Unit Test
(10 points)
3. In ABC, mBAC = 5x + 8, mABC = 6x + 22, and mBCA = 3x  25.
Score
A. Find the value of x.
B. Find the measure of 3. Show your work.
Copying or distributing without K12’s written consent is prohibited.
Page 3 of 4