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Unknown angle - PowerPoint PPT Presentation


Warm Up

Warm Up

Warm Up. Problem of the Day. Lesson Presentation. Lesson Quizzes. Warm Up Solve. 1. 72 + 18 + x = 180 2. 80 + 70 + x = 180 3. x + 42 + 90 = 180 4. 120 + x + 32 = 180. x = 90. x = 30. x = 48. x = 28. Problem of the Day

By jacob
(251 views)

Chapter 2. Technical Mathematics

Chapter 2. Technical Mathematics

Chapter 2. Technical Mathematics. A PowerPoint Presentation by Paul E. Tippens, Professor of Physics Southern Polytechnic State University. © 2007.

By annice
(191 views)

Technology in Precalculus

Technology in Precalculus

Technology in Precalculus. The Ambiguous Case of the Law of Sines & Cosines Lalu Simcik Cabrillo College. Simplify & Expand Resources. What if, on day one of precalculus, students could factor polynomials like: By typing: roots([ 1 2 -5 -6]). Screen shot for polynomial roots:.

By marciano
(1 views)

Warm up

Warm up

Warm up. State the domain for : If f(x) = x 3 – 2x +5 find f(-2). Right Triangle Trigonometry. Objective To learn the trigonometric functions and how they apply to a right triangle. The Trigonometric Functions we will be looking at. SINE. COSINE. TANGENT. The Trigonometric Functions.

By orpah
(160 views)

The Trigonometric Functions we will be looking at

The Trigonometric Functions we will be looking at

The Trigonometric Functions we will be looking at. SINE. COSINE. TANGENT. The Trigonometric Functions. SIN E. COS INE. TAN GENT. SIN E. Pronounced “sign”. COS INE. Pronounced “co-sign”. TAN GENT. Pronounced “tan-gent”. Greek Letter q . Prounounced “theta”.

By aadi
(78 views)

Trigonometric Ratios

Trigonometric Ratios

Trigonometric Ratios. A RATIO is a comparison of two numbers. For example; boys to girls cats : dogs right : wrong. In Trigonometry, the comparison is between sides of a triangle . We need to do some housekeeping before we can proceed….

By alaura
(101 views)

Chapter 9 Summary

Chapter 9 Summary

Chapter 9 Summary. Similar Right Triangles. If the altitude is drawn to the hypotenuse of a right triangle, then the 3 triangles are all similar. C. B. A. D. Find QS. Solve for x. C. B. A. D. Solve for x. Find XZ. Pythagorean Theorem. In a right triangle, .

By kenton
(82 views)

Triangles

Triangles

Triangles. Objective: Learn to name and classify triangles . . Triangles are polygons with 3 sides. They can be classified by the number of congruent (equal) sides they have. . There are 3 types of triangles: Equilateral Triangles: are triangles that have 3 congruent (equal) sides.

By kaili
(228 views)

Chapter 6 Investigating Non-Right Triangles as Models for Problems: 6.3 Investigating the Sine Law

Chapter 6 Investigating Non-Right Triangles as Models for Problems: 6.3 Investigating the Sine Law

Chapter 6 Investigating Non-Right Triangles as Models for Problems: 6.3 Investigating the Sine Law. 6.3 Investigating the Sine Law. Goals for Today: Learn one of the ways that we can find unknown sides and angles in a non-right angle triangle. 6.3 Investigating the Sine Law. Minds On:

By kezia
(234 views)

Warm-Up

Warm-Up

Warm-Up. If the measure of an angle is 78° less than the measure of its complement, what is the measure of the angle? 6 12 51 84 (hint….let x= the measure of the unknown angle). 3.1: Properties of Parallel Lines. Objectives: Identify angles formed by two lines and a transversal

By darva
(183 views)

Finding the measure of an acute angle of a right triangle given two side lengths

Finding the measure of an acute angle of a right triangle given two side lengths

Finding the measure of an acute angle of a right triangle given two side lengths. STEPS:. 1) Label the unknown angle with an arc, and the sides with O,A and H. 2) Set up a trigonometric ratio equation using the two unknown sides. 3) Solve for the unknown angle.

By varian
(106 views)

Appendix B

Appendix B

Appendix B. Trigonometry Review. Trigonometric Identities. Hopefully, you remember these from last year (you were required to memorize ten of them) plus SOH CAH TOA.

By kristy
(83 views)

Daily Check

Daily Check

Daily Check. For the triangle at the right, find the sine, cosine, and tangent of angle z. Math II. UNIT QUESTION: What patterns can I find in right triangles? Standard: MM2G1, MM2G2 Today’s Question: How do you use trig ratios to find the all the missing parts of a triangle?

By morty
(100 views)

Quick Quiz

Quick Quiz

Quick Quiz. Find the unknown angle, show working TOA = = 30.379… = 30 22 44.85. Trigonometry. What have we learnt? About SOH CAH TOA How to find the length of an unknown side How to find an unknown angle Where to now?

By marie
(94 views)

Angles in a straight line and around a point

Angles in a straight line and around a point

Angles in a straight line and around a point. Lesson Objectives. To understand the sum of angles in a straight line To understand the sum of angles around a point To be able to answer questions by using these two rule to find unknown angles. What angle is this?. =90 ° A right-angle.

By yahto
(444 views)

A = Cos o x H

A = Cos o x H

Cosine Rule. A = Cos o x H. To find an adjacent side we need 1 side (hypotenuse) and the included angle. 9 cm. 12 cm. 60 °. 75 °. a. a. A = Cos ° x H A = Cos 75° x 12 A = 0.258819045 x 12 A = 3.1 cm. A = Cos ° x H A = Cos 60° x 9 A = 0.5 x 9 A = 4.5 cm. Cosine Rule.

By pia
(145 views)

Do Now 1.9.14 “Unusual Area”

Do Now 1.9.14 “Unusual Area”

Do Now 1.9.14 “Unusual Area”. Javier is helping his uncle to tile a patio that has an irregular shape. He needs to calculate the approximate number of tiles he will need to cover the inside of the figure shown to the right.

By etoile
(83 views)

The Sine Rule.

The Sine Rule.

A. b o. C. a o. c o. B. The Sine Rule. c o. B. A. a o. b o. C. Finding The Sine Rule. Consider the triangle below:. H. Add the altitude line as shown. H is the height of the triangle. Now write the sine ratio for each right angled triangle:. H =. A sin b o. H =. B sin a o.

By tilden
(191 views)

Warm Up

Warm Up

Preview. Warm Up. California Standards. Lesson Presentation. Warm Up Tell whether the given angles are vertical, complementary, or supplementary. 1.  QXT and  QXR 2.  QXR and  TXS 3.  PXQ and  QXR 4.  PXQ and  PXS 5.  TXS and  SXR. supplementary. vertical.

By merton
(116 views)

Warm Up

Warm Up

Preview. Warm Up. California Standards. Lesson Presentation. Warm Up Tell whether the given angles are vertical, complementary, or supplementary. 1.  QXT and  QXR 2.  QXR and  TXS 3.  PXQ and  QXR 4.  PXQ and  PXS 5.  TXS and  SXR. supplementary. vertical.

By zlhna
(85 views)

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