1. Assignment #45 – Review for Week 10 Quiz
Determine if you can prove each pair of triangles congruent. If you can, state the appropriate theorem. (SSS, SAS, AAS, ASA, HL).
Classify each triangle by sides and length. (Sides: isosceles, equilateral, scalene)
(Angles: equiangular, acute, right, obtuse)
Find the missing angle.
13.
12. 1. 2. 3. 4.
Using the isosceles triangle below, solve for x. Then, find the measure of side AC.
8) AB = 2x + 1
BC= x – 4
9) AB = 7x -5
BC = 8x +4
14. Define:
Isosceles triangle
Equilateral triangle
Triangle Angle Sum Theorem
Exterior Angle Theorem
Right Triangle
Scalene Triangle
CPCTC
Third Angle Theorem
AAS
ASA
Solve for x. Then, find the measure of angle A.
10. 5)
A jeweler creates triangular medallions by bending pieces of silver wire. Each medallion is an isosceles triangle. Two sides of a triangle is 3 cm long. And the shortest side is 1 cm long. How many medallions can be made from a piece of wire that is 77 cm long?
11.

2. Complete each proof below:
15.
Given:
Prove:
17.
Given: are right angles.
Prove:
Statement
Reason
Statement
Reason
16.
Given:
Prove:
18.
Given:
Prove:
Statement
Reason
Statement
Reason