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The Law of Cosines

The Law of Cosines

The Law of Cosines. Solve for a 2. The Law of Cosines. Use for--. SSS. SAS. Write other variations for both. + c 2. - 2 bc cos A. b 2. a 2 =. + c 2. a 2. b 2 =. - 2 ac cos B. - 2 ab cos C. + b 2. a 2. c 2 =. The Law of Cosines. Finding an Angle Using the Law of Cosines.

By spiro
(132 views)

Mrs. Whalen ’ s Kindergarten Math Lesson #56: Review Geometry

Mrs. Whalen ’ s Kindergarten Math Lesson #56: Review Geometry

Mrs. Whalen ’ s Kindergarten Math Lesson #56: Review Geometry. All of these shapes are flat shapes. They can not stand up. If I cut them out they could not stand up because they are not solid shapes. rectangle. square. triangle. hexagon. circle.

By mahala
(257 views)

Chapter 8 Jeopardy

Chapter 8 Jeopardy

Chapter 8 Jeopardy. By Stephanie Zhou and Sonal Shrivastava. 8.1 100 Points. What are the sum of the interior angles of the following convex polygon? A 16-gon. ANSWER. 2520 degrees. 8.1 200 Points. Find X. 40. x. 45. 77. 2x. ANSWER. X= 66. 8.1 300 Points.

By aman
(130 views)

Warm-up:

Warm-up:

Warm-up:. Solve the triangle. 15 a b. 100 50 x. Answers. X=30 ° b = 29.544 a = 22.981. Precalculus Lesson 6.2. Check:

By mimir
(102 views)

A+B+C=180

A+B+C=180

a. b. 2. c. 60. 60. 60. 1. 1. 1. H. O. B. A. TRIANGLE UNIVERSE. Rhombus. EQUIANGULAR 60-60-60. EQUILATERAL. 3 Sides =. Parallelogram. a+b>c a+c>b b+c>a. a>b>c so A>B>C. Trapezoid. 1 Side = SCALENE. 2 Sides = ISOSCELES. B.

By zinnia
(81 views)

Section 3.5 – P lyg n Angle-Sum Theorems

Section 3.5 – P lyg n Angle-Sum Theorems

Section 3.5 – P lyg n Angle-Sum Theorems. Created by Leon Tyler Funchess. The Introduction. Okay, so I had an introduction on the wikipage . But now this is the real deal.

By fala
(127 views)

Hosted By Mrs. Harju

Hosted By Mrs. Harju

Jeopardy. Hosted By Mrs. Harju. Literature. Math. Spelling. Science. 100. 100. 100. 100. 200. 200. 200. 200. 300. 300. 300. 300. 400. 400. 400. 400. 500. 500. 500. 500. Row 1, Col 1. Templeton. Name the rat in Charlotte’s Web. 1,2. 4. How many sides does

By jerry
(97 views)

7.1 (Day 2) Coterminal Angles

7.1 (Day 2) Coterminal Angles

7.1 (Day 2) Coterminal Angles. Angles in Standard Position. y. 90 . Vertex at origin Initial side along pos x-axis. 60 . II. I. 150 . ( – , + ). ( +, + ). 180 . 0 . x. (0, 0). III. IV. ( + , – ). ( – , – ). 270 . Coterminal Angles.

By remedy
(139 views)

A Triangle given the 3 sides

A Triangle given the 3 sides

A Triangle given the 3 sides. A Triangle given the 3 sides. Task:. Construct a triangle ABC having AB = 5 cm, BC = 7 cm and AC = 3.5 cm. Making a Rough Sketch:. Draw a rough sketch of the triangle. Label its vertices. A. Write the length of each side. 5 cm. 3.5 cm. B. C. 7 cm.

By nuri
(164 views)

A Triangle given the 3 sides

A Triangle given the 3 sides

A Triangle given the 3 sides. A powerpoint presentation by Carmelo Ellul Head of Department (Mathematics). A Triangle given the 3 sides. Task:. Construct a triangle ABC having AB = 5 cm, BC = 7 cm and AC = 3.5 cm. Making a Rough Sketch:. Draw a rough sketch of the triangle.

By brandy
(134 views)

Chapter 2

Chapter 2

Chapter 2. Geometry. Section 2.1 Lines and Angles. A. B. B. A. A. The Foundation. Point: Usually named using a capital letter Line: (1-dimensional) Usually named using two points included on the line Plane : (2-dimensional)

By lesa
(110 views)

Chapter 2

Chapter 2

Chapter 2. Geometry. Section 2.1 Lines and Angles. A. B. B. B. A. A. A. The Foundation. Point: Usually named using a capital letter Line: (1-dimensional) Usually named using two points included on the line Plane : (2-dimensional) Extends indefinitely in all directions on it.

By mya
(95 views)

The Ontological Argument

The Ontological Argument

The Ontological Argument. Must God logically exist?. The Ontological Argument. Four main contributors to the argument Anselm Descartes Gaunilo Kant. The Ontological Argument. An a priori argument Based on innate knowledge logic

By lelia
(528 views)

Perimeter

Perimeter

Perimeter. Rectangles, Squares, and Triangles. Perimeter. Measures the distance around the edge of any flat object. To find the perimeter of any figure, ADD the lengths of its sides. What is a rectangle?. A rectangle has: 4 sides 4 square corners or right angles

By tehya
(218 views)

Answers to Homework

Answers to Homework

Answers to Homework. 2) A = 30.5 M = 5 4) h = 10 M = 30 6) b = 5 M = 4 8) b = 15k M = 9k 10) 64 12) 21√3 14) 189/2 16) 180 18) 65 20) 71 22) A = 120 D = 17. 11-4 Areas of Regular Polygons. Answers to Warm Ups Angle = (n-2)180÷n 90 120 60 144. Vocabulary.

By ashby
(171 views)

Shapes and footprints

Shapes and footprints

Shapes and footprints. By Chitra Warrier. Side view and Top view. Side view and Top view. SHAPES. Circle Song (To the tune of: "If You're Happy and You Know It")

By neva
(144 views)

Geometry

Geometry

Geometry. SOL 3.18. By Ms. Weinberg. Let’s learn a bit about Geometry! Geometry is a part of Math that focuses on shapes and lines. Shapes. Lines. Plane Figures are 2-dimensional figures. That means that they look flat. Circle. Triangle. Square. Rectangle.

By karlyn
(195 views)

4.2B and 4.3 Notes

4.2B and 4.3 Notes

4.2B and 4.3 Notes. Congruent Triangles and SSS. Definition of Congruent Triangles:. If 3 sides and 3 angles of a triangle are equal, then the triangles are congruent. If ∆ BDF  ∆ KCA , then. Corresponding sides are:. Corresponding angles are:.  B   K.  D   C.  F   A.

By una
(95 views)

Find the coordinates of the 3 midpoints M 1 , M 2 , M 3 of the 3 sides.

Find the coordinates of the 3 midpoints M 1 , M 2 , M 3 of the 3 sides.

Project of group 2 : Nine-Point Circle Given 3 points in the coordinate system: A(0, 0), B(4, 0), C(1, 3). Find the coordinates of the 3 midpoints M 1 , M 2 , M 3 of the 3 sides. Find the coordinates of 3 midpoints I 1 , I 2 , I 3 of segments IA, IB, IC (I is the orthocenter).

By dermot
(105 views)

Geometry

Geometry

Geometry . Notes Section 4-1. What you’ll learn. How to identify and name the parts of a triangle. How to identify and classify triangles by angles. How to identify and classify triangles by sides. Vocabulary. Sides of a triangle Vertices of a triangle Acute triangle Obtuse triangle

By gay
(173 views)

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