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.

Slides:



Advertisements
Similar presentations
Aim: How do you construct the 9-point circle? Do now: What is the orthocenter? The orthocenter of a triangle is the point where the three altitudes meet.
Advertisements

Warm-up Day before Ch. 4 Test Answer the following questions. Do not write the questions. 1) What does CPCTC stand for? 2) What kind of construction is.
Chapter 4. Congruent Figures – figures that have exactly the same size and shape.Congruent Figures – figures that have exactly the same size and shape.
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.,
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.,
HW REVIEW Packet 4.7 (The rest of the Do Now Sheet)- Typo on number 6: change BC to AC and AD to BD Pg all Pg all and #18.
A perpendicular bisector is a line found in a triangle CIRCUMCENTER It cuts the side into two equal parts And because it's perpendicular it makes two.
Show how it is possible for two triangles to intersect in one
Medians, Altitudes, and Angle Bisectors Honors Geometry Mr. Manker.
Warm-up 3.4 and 4.4 Draw the figure and solve for the missing angles.
Bell Problem Find the value of x Use Medians and Altitudes Standards: 1.Apply proper techniques to find measures 2.Use representations to communicate.
5.1 Angle Relationships in a Triangle
Warm-up. Legs: Congruent sides Of an isosceles triangle Base: Third side of an Isosceles triangle Vertex Angle: the angle the two legs form Base Angle:
Unit 5.
Warm-up with 4.2 Notes on Isosceles Triangles 2) Copy Angle EBC and name it Angle LMN ) Copy EC and add.
Warm-up with 2.6 Notes Answer each of the questions. Draw a picture to support your answer. 1)What type(s) of triangles have more than one line of symmetry?
Geometry Foldable Use this foldable to go with the Euler Points learned in Chapter 5 Circumcenter Incenter Centroid Orthocenter Make your foldable using.
BELLRINGER Find x by using LP x = x = 113° x = ?
5.4 Use Medians and Altitudes You will use medians and altitudes of triangles. Essential Question: How do you find the centroid of a triangle? You will.
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.
Congruent Triangles Congruency statements and why triangles are congruent.
By: Isaac Fernando and Kevin Chung.  Do Now: what is a point of concurrency?
Geometry Grab your clicker and get ready for the warm-up.
Drill Write your homework in your planner Take out your homework Solve for x:
Medians, altitudes, and perpendicular bisectors May 1, 2008.
Median and Altitude of a Triangle Sec 5.3
Points of Concurrency Triangles.
Special Segments of Triangles
Lesson 12 – Points of Concurrency II
Objective: Points of concurrency: centroid and orthocenter. Warm up 1.Point of concurrency: circumcenter. Located at the intersection of the perpendicular.
Geometry B POINTS OF CONCURRENCY. The intersection of the perpendicular bisectors. CIRCUMCENTER.
Chapter 10 Section 3 Concurrent Lines. If the lines are Concurrent then they all intersect at the same point. The point of intersection is called the.
Points of Concurrency The point where three or more lines intersect.
Lesson 5-1 Bisectors, Medians and Altitudes. 5-Minute Check on Chapter 4 Transparency 5-1 Refer to the figure. 1. Classify the triangle as scalene, isosceles,
Special Segments of Triangles Advanced Geometry Triangle Congruence Lesson 4.
Objective: Construction of the incenter. Warm up 1. Identify a median of the triangle. a. b.
What is an Isosceles Triangle? A triangle with at least two congruent sides.
Unit 4: Day 1. Reminders Vocabulary Quiz on Wednesday.
SPECIAL SEGMENTS OF TRIANGLES SECTIONS 5.2, 5.3, 5.4.
Friday, November 2, 2012 HOMEWORK: 5-3 Worksheet B A C D.
Warm Up Announcements  Test Friday  Homework: TEXAS Practice Test Pg. 194.
5.3 Concurrent Lines, Medians, and Altitudes Stand 0_ Can you figure out the puzzle below??? No one understands!
Homework Quiz. Warmup Need Graph Paper/Compass 5.3 Concurrent Lines, Medians, and Altitudes.
The 5 special segments of a triangle …again Perpendicular bisector Angle bisector Median Altitude Perpendicular and thru a midpoint of a side Bisects an.
1. Construct the following angles, 30, 45, 60 and 90. Construct an equilateral triangle for 60, bisect one of the angles for 30. Construct a perpendicular.
Special lines in Triangles and their points of concurrency Perpendicular bisector of a triangle: is perpendicular to and intersects the side of a triangle.
Use Medians and Altitudes
Medians and Altitudes of Triangles
Bisectors, Medians, and Altitudes
Section 5. 3: Use Angle Bisectors in Triangles Section 5
Medians, Altitudes and Perpendicular Bisectors
Name Geo / Period (s) 12/02/09 Day # 29
Special Segments in a Triangle
Vocabulary Corollary Base angles Vertex angles.
Bell work: Turn in when completed
You need your journal The next section in your journal is called special segments in triangles You have a short quiz.
Vocabulary and Examples
Special Segments in Triangles
If we use this next year and want to be brief on the concurrency points, it would be better to make a table listing the types of segments and the name.
Bisectors, Medians and Altitudes
5-1 HW ANSWERS Pg. 327 # Even 18. CF 10. PS = DA & DB
Centroid Theorem By Mario rodriguez.
Medians and Altitudes of Triangles
5.3 Concurrent Lines, Medians, and Altitudes
Chapter 4: Corresponding Parts in Congruence
Learn to use the ASA and AAS tests for congruence.
DO NOW Complete the 4 problems at the top of your worksheet.
Chapter 5 and Triangle Properties review
Unit 6 Test Review
concurrency that we will be discussing today.
Presentation transcript:

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 with two corresponding congruent angles and a corresponding non-included sides are congruent. 2 ) The shortest distance from a point to a line is measured along the _____________from the point to the line 3) The _________ angles are the congruent angles of an isosceles triangle. 4) The _____________ of a triangle connects the midpoint of a side to the opposite vertex.

Student of the day! Block 4

Student of the day! Block 5

Student of the day! Block 6

H.W. Answers pg #1-9, #13-15 and #18 Can not be determined.

More 4.6 Answers 4.Yes 5.Yes

#18 Homework 3.6

3.7 Constructions Points of Concurency

Incenter and Circumcenter Centroid and Orthocenter Since altitudes can be located outside the triangle, so can the orthocenter.

Finding circumcenter AND orthocenter

4.7 Flowchart Thinking

Another Flowchart proof

Homework 3.7 H.W. pg #1-3, #6 and H.W. pg #2- 6 all problems. Bring textbook for review next block! Ch. 3 and 4 Notebook Check 1) 3.1 and 4.1 2) 3.2 and 4.2 3) 3.3 and 4.3 4) 3.4 and 4.4 5) Algebra 4 and 4.5 6) 4.6 7)3.7 and notes for 11 pts = 77 pts (8 pts for notes 3 for warm-ups) C-17 to C-28 (10 conjectures for 22 pts)

Common Quiz Mistakes

4.6 CPCTC H.W.