Chapter 8 Test is on Tuesday March 11th !!!

Slides:

Advertisements

Similar presentations

7/3/2015 Geometry 1 Classifying Triangles Free powerpoints at

Advertisements

Mathematics Types of Triangles By: Jenny Ordonez.

EXAMPLE 1 Classifying a Triangle a.Classify XYZ by its angles. b. Classify XYZ by its side lengths. SOLUTION a. The triangle has a right angle at Y. So,

Bell Work Name the Angle in four different ways

Classifying Triangles Students will classify triangles using the lengths of the sides and the angles. S. Calahan October 2010.

Chapter 7.1 & 7.2 Notes: The Pythagorean Theorem and its Converse

7.1 – Apply the Pythagorean Theorem. Pythagorean Theorem: leg hypotenuse a b c c 2 = a 2 + b 2 (hypotenuse) 2 = (leg) 2 + (leg) 2 If a triangle is a right.

Triangles Review.

Defining Triangles During this lesson, you will define triangles and their parts.

EQUILATERAL & ISOSCELES Quiz tomorrow. CLASSIFY the triangle by ANGLES and SIDES Angles: acute, obtuse, right Sides:equilateral, isosceles, scalene 91.

- Four sides - Four angles - Four vertices  - The diagonals are equal in length and perpendicular and bisect each other.

Warm Up: Find the geometric mean of: a) 12 and 18b) 54 and 36 c) 25 and 49.

CHAPTER 8 By: Fiona Coupe, Dani Frese, and Ale Dumenigo.

Triangle A polygon with three sides and three angles. A triangle can be names by its’ side lengths and angles. – Side lengths: isosceles, equilateral,

TRIANGLES AND TYPES OF TRIANGLES. A triangle has three sides.

Types of Triangles. Angles The angles in a triangle add up to o + 60 o + 60 o =

Warm Up Types of Triangle Chapter 3.6 Objective- name the various types of triangles and their parts.

Classifying Triangles Shahd ayman 5 Th primary Mr.arafat mohamed Geometry.

Classifying Triangles Math 7 Ms. Conway Math 7 Ms. Conway.

Using SOHCAHTOA Trigonometry. In each of the following diagrams use SIN to find the angle x correct to 1 decimal place x x x

Time for Triangles. What is a triangle? A triangle is a polygon. It has 3 sides and 3 angles. It can also be called a trigon.

3/9/2016 Geometry 1 Classifying Triangles Free powerpoints at

Altitude-on-hypotenuse. Find the value of x x 4√3 10 x = 4√3 4√3 x + 10 x x = 163 x x – 48 = 0 (x – 4)(x + 12) = 0 x = 4 x = -12.

Classifying Triangles. Two Ways to Classify Triangles  By Their Sides  By Their Angles.

Scalene triangle: A scalene triangle is a triangle that has no equal sides. The following is a scalene triangle.

Lesson 8.3 Concept: How to classify triangles by their sides and angles. An equilateral triangle has three sides of the same length. An isosceles triangle.

Chapter 5.2 & 5.3 BISECTORS, MEDIANS AND ALTITUDES.

8-4 Triangles Objective: Students find unknown angles and line segment lengths in triangles.

You try it Find the geometric mean between 2 and

Math Minutes: Imagine you have 6 toothpicks. How can you make 3 triangles using them?

Mathematics Types of Triangles.

Classify the triangle by its angles and by its sides.

2.1 Classifying Triangles

Geometry Warm ups Simplify each radical to simplest radical form.

Hosted by Your Class.

TRI NGLES 2 ways to classify: By Sides By Angles 60 4” 4” 4” 60 60

Triangles Review.

CHAPTER 8 Right Triangles.

7.7 Solve Right Triangles Obj: Students will be able to use trig ratios and their inverses to solve right triangles.

Classifying Triangles

Classifying Triangles

Chapter 8 Test Review.

Hosted by Your Class.

Classifying Triangles

Lesson 7.7, For use with pages

Work together to classify the triangle below using its angles and sides.

Classifying Triangles

EXAMPLE 1 Classify triangles by sides and by angles Support Beams

Objective - To classify triangles.

Classifying Triangles

Triangles Guided Notes

Angle Measurements.

Hosted by Your Class.

Identify type of triangle

Chapter 7 Review.

Classifying Triangles

Geometry Section

4-1 Vocabulary Acute triangle Equiangular triangle Right triangle

Sec 6.2 Trigonometry of Right Triangles

GEOMETRY’S MOST ELEGANT THEOREM Pythagorean Theorem

Unit 3: Right Triangle Trigonometry

Geometric Mean Proportions & Pythagorean Theorem

Classifying Triangles

Classifying Triangles

Classifying Triangles

Presentation transcript:

Chapter 8 Test is on Tuesday March 11th !!! Chapter 8 Test Review By: L. Keali’i Alicea Chapter 8 Test is on Tuesday March 11th !!!

Simplify:

Simplify:

Simplify:

Find the geometric mean between the following numbers in simplest form Find the geometric mean between the following numbers in simplest form. a) 12 and 10

Refer to the diagram to find each value in simplest form. If a=4 and b = 25, find h. If x=9 and PR = 27, find a. If a= 6 and PR= 24, find b. y x h= 10 a = b= 18

Use the right triangle shown to find each value in simplest form. If a=7 and b=5, find c. If a=12 and c=25, find b. If a= and b= , find c. c= b=

State whether the triangle with sides of the given length is acute, right, or obtuse. 10, 8, 7 6,4, 9, 11, 6 Acute Right Obtuse

Find each value in simplest form. If c= 60, a=____ b=____? 60o a= b= 30

Find each value in simplest form. If a= 20, b=____ c=____? 45o b= 20 c=

Find x Solution: X= 18 60 X 60

The diagonals of a rhombus have lengths 6 and 8 The diagonals of a rhombus have lengths 6 and 8. Find the length of a side in simplest form. Solution: 5

The vertex angle of an isosceles triangle is 120o The vertex angle of an isosceles triangle is 120o . The base length is 24. Find the length of the altitude to the base in simplest form. Solution: 120

Refer to the diagram for the following questions. sin R= cos R= tan R= sin T= cos T= tan T= T 5 R 4 3/5 4/5 3/4 4/3

From the top of a lighthouse 18m high, the angle of depression to see a boat is 4o. What is the distance between the boat and the base of the lighthouse? Solution: About 250m

If you can do all these problems then you should have no problems on the test! If you are having problems click here.