Warm-up

Find the area & perimeter.

Warm-up

Agenda

Homework Review Section 1-4 (finish) Section 1-5 Homework/Take Home Mini-

Quiz

Quiz tomorrow 1-1 through 1-4

Enrichment 1-1

Review

Distance Formula

Used to measure the distance between two points on a coordinate plane.

Example

Example

Recap

H G I

Recap

Recap

L M N

Recap

Class work

Extra Practice Page 764, Lesson 1-3 Page 765, Lesson 1-4

Class work

Class work

Class work

Class work

Caution – Answers Ahead

Study Guide 1-4

Study Guide 1-4

Practice 1-4

A B C

Practice 1-4

A B C

Practice 1-4

Practice Quiz 1-3, 1-4

Practice Quiz 1-3, 1-4

Practice Quiz 1-3, 1-4

Quiz Time

Coordinate PictureGoal – Design a picture using straight lines on the Coordinate Plane.

Process1) Draw a rough draft (5 pts)2) Draw a final draft on graph paper (10 pts)3) List the sets of coordinates that define each line (10 pts) a) Must have at least 20 lines and no more than 30 lines b) Some of the lines must be diagonal c) This page should be typed if at all possible4) Hand in all three papers stapled together. Do not put your name on the list of coordinates page.5) Each person will get someone else’s list of coordinates

which they must use to graph the picture. (5 pts)

Grade – Project grade based on the above point totals

Due – Friday, February 13 (I know, an unlucky day)

Section 1-5 Midpoints and Segment Congruence

PQDefinition of a midpoint – The midpoint M ofis the point between P and Q such that PM = MQ.

Midpoint Theorem – If M is the midpoint of MQPM then ,PQ

Segment bisector – any segment, line or plane that intersects a segment at itsmidpoint.

Theorem – A statement, usually of a general nature, that can be proved byappeal to postulates, definitions, algebraic properties, and rules of logic.

P M Q

6 6

Section 1-5 Midpoints and Segment Congruence

Examples

More examples

Caution – Answers Ahead

1-5 Study Guide

1-5 Study Guide

Homework

Study Guide, Practice page Section 1-5