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Review for written final
What do you call a singing computer?
A Dell (Adele)
Word Bank: (You may not use all the choices and you
may use a choice more than once)
Definition of congruent triangles
Reflexive
CPCTC
Definition of right triangles
Given
HL
Definition of a midpoint
SAS
vertical angles are congruent
SSA
Substitution
Given: 𝐴𝐸 β‰… 𝐷𝐢
B is the midpoint of 𝐢𝐸
∠𝐴𝐡𝐸 is a right angle
Prove: Ξ”ABE β‰… Ξ”DBC
_________Statements_____________________________________Reasons___________
1. 𝐴𝐸 β‰… 𝐷𝐢
1.
2. B is the midpoint of 𝐢𝐸
2.
3. 𝐡𝐸 β‰… 𝐡𝐢
3.
4. ∠𝐴𝐡𝐸 is a right angle
4.
5. ∠𝐴𝐡𝐸 β‰… ∠𝐷𝐡𝐢
5.
6. ∠𝐢𝐡𝐷 is a right angle
6.
substitution
7. π›₯𝐴𝐡𝐸 and Ξ”DBC are right triangles
7.
Definition of right triangles
8. Ξ”ABE β‰… Ξ”DBC
8.
Given
Given
Definition of a midpoint
Given
Vertical angles are β‰…
HL
PAP Geometry
Written Semester 1 Review
Name________________________
Period______ Date____________
Given the following points M (-4, 3) and N(2, -6). Use the graph provided to find the following:
a. midpoint and label with C
b. the slope of MN
c. the slope of the line perpendicular to MN
d. the slope of the line parallel to MN
M ● -6
a.
-4 + 2 = -2 = -1
2
2
b.
9= 3
-6 -2
3 + -6 = -3 = -1.5
2
2
c. opposite
reciprocal slope
2
3
d. same
slope
3
-2
C ●
N ●
9