Warm-up with 4.5 other congruence shortcuts For 1 -3 tell whether it is possible (YES or No) to draw a triangle with the given side lengths. 1) 7 in.,

Slides:

Advertisements

Similar presentations

5.4 Hypotenuse – Leg Congruence Theorem: HL

Advertisements

How Can I Use Equivalent Ratios? Triangle Similarity and Congruence

Triangle Congruence Theorems

6-2: Proving Congruence using congruent parts Unit 6 English Casbarro.

4-4 & 4-5: Tests for Congruent Triangles

Proving Triangles Congruent Advanced Geometry Triangle Congruence Lesson 2.

Corresponding Parts of Congruent Triangles Lesson 4-4.

Test For Congruent Triangles. Test 1 3 cm 4 cm 3 cm Given three sides : SSS Two triangles are congruent if the three sides of one triangle are equal to.

Lesson 4-2: Triangle Congruence – SSS, SAS, ASA, & AAS

Chapter 4: Congruent Triangles Lesson 4-4: Using Congruent Triangles: CPCTC Goal: Use triangle congruence and CPCTC to prove that parts of two congruent.

Warm Up Using a compass, create one of each of the following:

4.3 & 4.4 Proving Triangles are Congruent

Objective: discover conditions to prove triangles are congruent. Two figures are congruent if and only if : one can be mapped onto the other by one or.

4-2: Triangle Congruence by SSS and SAS 4-3: Triangle Congruence by ASA and AAS 4-4: Using Corresponding Parts of Congruent Triangles.

SSS, SAS, and SSA Congruence Shortcuts Objectives: 1. Explore shortcuts for determining whether triangles are congruent.

Warm-up with 4.5 other congruence shortcuts For 1 -3 tell whether it is possible (YES or No) to draw a triangle with the given side lengths. 1) 7 in.,

Triangle Congruencies HOMEWORK: Proofs WS & Triangle Packet - evens Quiz Friday January11, 2012 Lessons 4.3 – 4.5 Triangle Sum, Triangle Inequalities,

Take papers from your folder and put them in your binder. Place your binder, HW and text on your desk. YOUR FOLDERS SHOULD BE EMPTY current EXCEPT FOR.

4.3: Analyzing Triangle Congruence

Geometry 14 Nov 2012 WARM UP- 1) sketch and label vertex angle base angles remote interior angles exterior angle adjacent interior angle Find measures.

Do Now #28:. 5.4 Hypotenuse-Leg (HL) Congruence Theorem Objective: To use the HL Congruence Theorem and summarize congruence postulates and theorems.

Warm-up 3.4 and 4.4 Draw the figure and solve for the missing angles.

Triangle Congruencies Lesson 4.4. c)What is PZ? d)What is

Fundraiser – Keep selling!

Proving Triangles Congruent

Lesson: 9 – 3 Similar Triangles

Geogebra Warm-up Open a 5.3 geogebra file on scevmath.org.

Proving Triangles Congruent

DO NOW!!! Solve for “x”..

Warm-up 3.7 and 4.7 and Flowchart Thinking Copy the statements and complete them so that they are true. 1)________ congruence conjecture states that triangles.

Geometry Triangle jeopardy.

Triangle Congruence. 3 line segments (dried spaghetti sticks – make three different sizes) Take 3 line segments Make a triangle Mark the vertices Draw.

Warm-up with 4.3 Notes on Triangle Inequalities 1)Using your ruler and protractor try to draw an isosceles triangle. 2)Mark the congruent sides and angles.

Drill Write your homework in your planner Take out your homework Find all angle measures:

Warm Up  For both right triangles, find the value of x. x x

Lesson 4-2: Triangle Congruence – SSS, SAS, ASA, & AAS Vocab SSS (side-side-side) congruence Included angle SAS (side-angle-side) congruence.

Proving Triangles are Congruent: SSS and SAS Sec 4.3

For 9 th /10 th grade Geometry students Use clicker to answer questions.

4-3 Triangle Congruence by ASA and AAS. Angle-Side-Angle (ASA) Postulate If two angles and the included side of one triangle are congruent to two angles.

Proving Triangles Similar by AA , SAS, & SSS

5.6 Proving Triangle Congruence by ASA and AAS. OBJ: Students will be able to use ASA and AAS Congruence Theorems.

Are the following triangles congruent? Why or why not? Write a congruence statement for the triangles. 21 ° 74 ° 85 ° 21 ° 74 ° 85 ° T S R L M N.

ASA AND AAS CONGRUENCE Section 4.5. Angle-Side-Angle (ASA) Congruence Postulate  If two angles and the included side of one triangle are congruent to.

Warm Up Draw a triangle with the following specifications –One side 5 cm –One side 8 cm –A 40 degree Angle Compare your triangle with your classmates.

Curi Yutzy ECOMP Triangle Congruence Review Use the pointer tool to draw arrows to the correct abbreviation for that congruence shortcut. Side,

Yr 2 w-up 9/16 – copy the pictures For # 1-5 state which triangles are congruent and why 1. A B CD A B C D A B D C 3. AD bisects < CAB D is the midpoint.

Do Now: Identify two congruent triangles in the figure below. H N A D.

Warm Up: March 27th Translate Left 5 and down 4Left 3 and up 2 A B CD.

Objective: Prove triangle congruence using SSS and SAS.

Geometry 4-3 Triangle Congruence by ASA and AAS. Investigation Break one piece of spaghetti into three similar length sizes. Arrange the pieces into a.

Warm- up a= b= c= d= e= f= g= h= Homework out for checking!!!

Math CC7/8 – Sept. 16 Homework: p. 76 #6-9, #40

Proving Triangles are Congruent

Proving Triangles Congruent

Proving Triangles Congruent

Homework Questions.

Proving Triangles Congruent

Triangle Congruence Shortcuts Review

4-2 Some Ways to Prove Triangles Congruent (p. 122)

Triangle Shortcuts!!!.

Learn to use the ASA and AAS tests for congruence.

5.2 ASA Triangle Congruence

Warmup Write a congruence statement for the triangles.

Proving Triangles are Congruent

Triangle Congruency Theorems (shortcuts)

Properties of Triangle Congruence

4-4/4-5 Proving Triangles Congruent

Presentation transcript:

Warm-up with 4.5 other congruence shortcuts For 1 -3 tell whether it is possible (YES or No) to draw a triangle with the given side lengths. 1) 7 in., 5 in., 10 in. ________2) 9cm, 7cm, 21 cm _______ 3) 5 ft., 4ft., 9ft. ______ Arrange the letters from greatest value to least value. 4) _______________ 5) ____________________

H.W. Answers to pg pg 160 # 1- 5 and #10 pg 224 #4-9, and #

H.W. Answers

Student of the day! Block 1

Student of the day! Block 3

Algebra Lesson #3 pg

Parallel, Perpendicular or neither Determine whether and are parallel, perpendicular or neither. 1)K(-5, -2), M (5, 4), S (-3, 5), T (3, - 4) 2)K(-3, -7), M (3, -3), S (0, 4), T (6, -5)

4.5 More Congruence Shortcuts SSS, SAS, ASA, and AAS; AAA and SSA

Conjectures C-25 ASA Congruence Conjecture – If two angles and an included side are congruent to two angles and an included side in another triangle then, ________________________. C-26 SAA Congruence Conjecture – If two angles and a non-included side, are congruent to two angles and a non-included side in another triangle then, ____________________.

H.W. Assignment Algebra Review pg 169 #2- 12 even #s 4.5 pg 230 #4 – 16 even #s * Prepare for 3.1 to 3.5 and 4.1 to 4.5 Quiz