3/11 Bell Ringer Use the Pythagorean Theorem to find c (round to the nearest hundredth): 9 4 C Homework: Finish Independent Practice on 45-45-90.

Slides:

Advertisements

Similar presentations

10/25 Bell Ringer Step 1: Grab materials from front of the room. Step 2: Get out your homework and vocab Step 3: Find the missing angles measurement: 50°

Advertisements

Today – Monday, March 4, 2013  Warm Up: Which method to use to solve missing angles or sides of a right triangle  Review: Using inverse trig to find.

Bell Work D/E The Pythagorean Theorem Students will be able to understand and apply the Pythagorean Theorem.

TODAY IN GEOMETRY…  Review: Methods solving for missing sides of a right triangle  Learning Target: 7.6 Finding an angle using inverse Trigonometry 

Quiz Topics Friday’s Quiz will cover: 1) Proportions(parallel lines and angle bisectors of triangles) 2) Pythagorean Theorem 3) Special Right Triangles.

Solving Right Triangles

EXAMPLE 4 SOLUTION Method 1: Use a Pythagorean triple. A common Pythagorean triple is 5, 12, 13. Notice that if you multiply the lengths of the legs of.

TODAY IN GEOMETRY… Warm Up: Simplifying Radicals

TODAY IN ALGEBRA 2.0…  Review: Pythagorean Theorem  Learning Target: Find all six trigonometric functions.  Independent Practice.

The Pythagorean Relationship

The Pythagorean Theorem. The Right Triangle A right triangle is a triangle that contains one right angle. A right angle is 90 o Right Angle.

TODAY IN ALGEBRA 2.0…  Review: Pythagorean Theorem and the six trigonometric functions  Learning Target: 13.1 You will find missing sides of a triangle.

Bell Ringer Classify each angle as acute, obtuse, right, or straight. #1. 30° #2. 86° #3. 90° #4. 145°

EXAMPLE 1 Find the length of a hypotenuse SOLUTION Find the length of the hypotenuse of the right triangle. (hypotenuse) 2 = (leg) 2 + (leg) 2 Pythagorean.

EXAMPLE 1 Find the length of a hypotenuse SOLUTION Find the length of the hypotenuse of the right triangle. (hypotenuse) 2 = (leg) 2 + (leg) 2 Pythagorean.

Having finished multiple exercise on sine, cosine and tangent, student will be able to answer 15 math problems on this contact with 85% accuracy.

Bell Ringer Get out your 10.5/10.7 homework assignment and formula sheet Get out your notebook and prepare to take notes on Section 11.2 What do you know.

Pythagorean Theorem Mr. Parks Algebra Support. Objective The student will be able to: Find the missing side of a right Triangle using the Pythagorean.

Pythagorean Theorem Use the Pythagorean Theorem to find the missing length of the right triangle. 1.

Section 3-5 p. 137 Goal – to solve problems using the Pythagorean Theorem.

Lesson Handout #1-49 (ODD). Special Right Triangles and Trigonometric Ratios Objective To understand the Pythagorean Theorem, discover relationships.

30°, 60°, and 90° - Special Rule The hypotenuse is always twice as long as the side opposite the 30° angle. 30° 60° a b c C = 2a.

HW # 52 - p. 207# 1-23 odd Test corrections (in a different color) Warm up Week 15, Day Two Write in exponential form · 6 · 6 · 6 · x · 3x.

Section 7.1 – Solving Quadratic Equations. We already know how to solve quadratic equations. What if we can’t factor? Maybe we can use the Square Root.

Triangles and Lines – Special Right Triangles There are two special right triangles : 30 – 60 – 90 degree right triangle 45 – 45 – 90 degree right triangle.

21 March 2011 Warm UP– silently please 1 ) HOMEWORK DUE NEXT CLASS: pg. 493: include sketch, formula, substitution, math, units 2) WARM UP- Write.

Today’s Class Do now: – Work on Warm UP – Get out HW Objective – SWBAT apply the Pythagorean theorem to solve for missing side lengths – SWBAT apply the.

Bell Ringer Use the Pythagorean Theorem to find the length of the hypotenuse.

4.4 Pythagorean Theorem and the Distance Formula Textbook pg 192.

Rhombus. Properties of a Rhombus: A B C D All properties of a parallelogram All sides are congruent (equilateral) The diagonals are perpendicular The.

Pythagorean Theorem SOL 8.10 cont.. Review Previously, we used the Pythagorean Theorem to find the hypotenuse of a right triangle. (a 2 + b 2 = c 2 )

2 nd hour. Use a calculator to find each value. Round to the nearest hundredth Before the Bell: 3.8A.

triangles IMP3 Sia. Today’s Agenda Bell Ringer Review triangles Pythagorean Theorem worksheet due Friday,

Honors Geometry Section 5.5 Special Right Triangle Formulas.

Pythagorean Theorem Converse Special Triangles. Pythagorean Theorem What do you remember? Right Triangles Hypotenuse – longest side Legs – two shorter.

Pythagorean Theorem and Special Right Triangles. Anatomy of a Right Triangle Why is a right triangle called a right triangle? Because it is a triangle.

9.4 Using Trigonometry to Find Missing Sides of Right Triangles.

8-2 Special Right Triangles Objective: To use the properties of and triangles.

Splash Screen. Then/Now You used the Pythagorean Theorem to find missing lengths in right triangles. Find trigonometric ratios using right triangles.

Geometry 7-7 Areas of Circles and Sectors. Review.

– Use Trig with Right Triangles Unit IV Day 2.

Section Goal  Find the side lengths of 45 ˚ -45 ˚ -90 ˚ triangles.

Guided Notes/Practice

8-1: The Pythagorean Theorem and its Converse

The Distance and Midpoint Formulas

SOL 8.10 Pythagorean Theorem.

5/10 Bell Ringer Write “VOCAB” on your bell ringer sheet, then write these definitions onto your vocabulary. You will need them for today’s discovery.

8-2 Special Right triangles

Bell Ringer Please make sure you have turned in your homework (WB pgs ) in the tray. Please answer the following questions using your notes from.

8-2 Special Right Triangles

Graphs of Trig Functions

DO NOW For each problem, find the measure of x. Round to the nearest degree

Bell Ringer Classify each angle as acute, obtuse, right, or straight. #1. 30° #2. 86° #3. 90° #4. 145°

9/16 Bell Ringer Step 1: Grab today’s material

6.2: Pythagorean Theorem Objectives:

7-3 Special Right Triangles

Section 12-1a Trigonometric Functions in Right Triangles

7.0: Pythagorean Theorem Objectives:

The Pythagorean Theorem

If a = 12 and b = 16 in a right triangle, solve for c.

7-4: special right triangles

Bell Ringer 9/13 How many diagonals can be formed in a 13 sided polygon? (n)(n-3) 2 (13)(10) = 65 2.

G3.2 Pythagorean Theorem Objectives:

Special Right Triangles

Entering & Beginning Class

Warm-up Find the missing length of the right triangle if a and b are the lengths of the legs and c is the length of the hypotenuse. a = b = a = 2.

Triangle Relationships

Parent-Teacher Conferences TONIGHT!

Presentation transcript:

3/11 Bell Ringer Use the Pythagorean Theorem to find c (round to the nearest hundredth): 9 4 C Homework: Finish Independent Practice on 45-45-90 Triangles Grab a calculator, vocabulary sheet, and today’s guided notes.

3/11 Agenda I CAN apply knowledge of right triangles to discover the relationship among the sides of 45-45-90 triangles. 1. Bell Ringer 2. Inquiry into a new relationship 3. Guided Practice 4. Independent Practice 5. ACT Question of the Day

News and Notes Perfection Award: 9th Period Service Learning Meeting TODAY, 3:30 PM in ROOM 215. If you can’t make it: write down your name, phone number, e-mail address, and what days of the week you can stay after school to work.

THIS IS A DISCOVERY You are going to apply your prior knowledge of the Pythagorean Theorem to discover a relationship among 45-45-90 triangles. You will have to think very hard at times. You cannot give up! Remember what we talked about yesterday, it’s time to step it up!

#1 #2 Refer to the questions on your guided notes and answer those questions to lead yourself to define a new relationship! 6 C 1 6 C 1

Our Rule In a 45-45-90 triangle the following relationship holds: Hypotenuse = Leg x √2 AND Leg = Hypotenuse ÷ √2

Vocabulary WORD DEFINITION EXAMPLE 45-45-90 Triangle The legs are congruent and H = L√2. YOU FILL THIS IN. WE WILL NOT MOVE ON UNTIL EVERYONE HAS AN EXAMPLE DRAWN!

Agile Mind Now go through the example problems in Agile Mind Topic 16 (Right Triangle and Trig Relationships) EXPLORING SPECIAL RIGHT TRIANGLES PP 2 – 5. Everyone needs a piece of paper and fold it into 4 sections.

ACT Question of the Day A. 7 B. 7/√2 C. 7√2 D. 7√3 The value of c is: Homework: Finish Independent Practice on 45-45-90 Triangles SERVICE LEARNING TODAY AT 3:30pm in ROOM 215