Unit 4 congruent triangles homework 3 answer key

3. The proof of the following theorems can be asked in the examination : (i) Basic Proportionality Theorem : If a line is drawn parallel to one side of a triangle to intersect the other sides in distinct points, the other two sides are divided in the same ratio. (ii) The ratio of the areas of two similar triangles is equal to the square of the ratio of their corresponding sides. (iii) Pythagoras Theorem : In a right triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides.

Date Assigned Unit & Day Aim / Homework Student Resources (Key)
Teacher Resources (Key)
11/12/12
Unit 4, Day 1 (4.01)
Aim: How do we find the missing measure of the angle of a triangle?
Homework: Finish the worksheet.
W T T Q V V
W SB GSP
11/13/12
Unit 4, Day 2 (4.02)
Aim: How do we use side lengths to prove that triangles are congruent?
Homework: Finish the worksheet.
W V
W SB
11/14/12
Unit 4, Day 3 (4.03)
Aim: How do we use two side lengths and the included angle to prove that triangles are congruent?
Homework: Finish the worksheet.
W V
W SB
11/15/12
Unit 4, Day 4 (4.04)
Aim: How do we use two angles and a side to prove that triangles are congruent?
Homework: Finish the worksheet.
W T Q V V W SB GSP
11/16/12
Unit 4, Day 5 (4.05)
Aim: Do we understand all of the ways to prove triangles congruent?
Assessment: Quiz # 4.1 (4.01-4.04)
Homework: Thanksgiving Packet
W Thanksgiving Packet
W SB
Thanksgiving Packet
11/26/12
Unit 4, Day 6 (4.06)
Aim: How do we find the distance between two points, the slopes of perpendicular lines, and the relationships between angles?
Homework: Test Corrections on Test # 3

(only required if you received below a 90% on your test)


For each question that you did not get full credit (a check), do 2 things:
     (1) show all of the work necessary to get the correct answer
     (2) choose a or b:
            (a) a mathematical explanation in words of why you got the
                       problem wrong
            (b) a mathematical explanation in words of why your new
                       solution is the correct  way to solve the problem
Thanksgiving Packet Answers (pgs 5 and 6)
Thanksgiving Packet Answers (pgs 5 and 6)
SB
11/27/12
Unit 4, Day 7 (4.07)
Aim: How do we prove triangles congruent?
Homework: Finish the worksheet.
W Q Q Q W SB
11/28/12
Unit 4, Day 8 (4.08)
Aim: How do we prove right triangles congruent?
Homework: Finish the worksheet.
W T T V W SB
11/29/12
Unit 4, Day 9 (4.09)
Aim: How do we use congruent triangles to prove that corresponding parts are congruent?
Homework: Finish the worksheet.
W T V Q W SB
11/30/12
Unit 4, Day 10 (4.10)
Aim: What do we need to review for today's quiz on proving triangles congruent?
Assessment: Quiz # 4.2 (4.01-4.09)
Homework: Geometry Review Project, Part 1
W
Project
W
Project (A,B)
SB
12/03/12
Unit 4, Day 11 (4.11)
Aim: How are the sides and angles of a triangle related if the triangle is isosceles?
Homework: Finish the worksheet.
W T V Q
W SB
12/04/12
Unit 4, Day 12 (4.12)
Aim: How are the sides and angles of a triangle related if the triangle is equilateral?
Homework: Finish the worksheet.
W T V Q W SB
12/05/12
Unit 4, Day 13 (4.13)
Aim: What do we need to review from Unit 4?
Homework: Corrections on Quiz # 4.2

(only required if you received below a 90% on your test)

W G W SB
12/06/12
Unit 4, Day 14 (4.14)
Aim: What do we need to review from Unit 4?
Homework: Finish the worksheet.
W W SB
12/07/12
Unit 4, Day 15 (4.15)
Assessment: Test # 4 (Units 1-4)

  Key to Student Resources:    W=Worksheet (PDF)         T=Tutorial         G=Game         V=Video         Q=Quiz         P=Powerpoint

  Key to Teacher Resources:    W=Worksheet (Word)         SB=Smart Board Lesson (click here to open saved file without software)

                                             GSP=Geometer's Sketchpad