'Special right triangles' diaporamas de présentation

Trigonometric Ratios in the Unit Circle

Trigonometric Ratios in the Unit Circle. Warm-up (2 m). Sketch the following radian measures:. Trigonometric Ratios in the Unit Circle. The unit circle has a radius of 1. Quadrant II. Quadrant I. x is y is. x is y is. Quadrant III. Quadrant IV. x is y is. x is y is.

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Introduction to the SAT

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UNIT

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Special Right Triangles

Special Right Triangles. Words to Know:. 45 ? -45 ? -90 ? Triangle Theorem. Look. 30 ? -60 ? -90 ? Triangle Theorem. special right Triangles. 45 ? -45 ? -90 ? Special Right Triangles . a 2 + b 2 = c 2. Look!. 45 ?. 1 2 + 1 2 = y 2. y. 1. x. 1 + 1 = y 2. 45 ?. 2 = y 2. x. 1.

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Chapter 5

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Introduction to the SAT

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Warm-Up 3/24-25

Warm-Up 3/24-25. What are three basic trigonometric functions and the their ratios?. Sine: sin ?. Cosine: cos ?. Tangent: tan ?.

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Area of Regular Polygons

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7-3 Special Right Triangles

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Review: Special Right Triangles

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13-2 Angles & the Unit Circle Day 1

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Chapter 7: right triangles and trigonometry

Chapter 7: right triangles and trigonometry. Rachel Jeong Period 5 Laptop Honors Geometry. An angle of elevation is the angle between the line of sight and the horizontal when an observer looks upward

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Trigonometric Ratios in the Unit Circle

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EXAMPLE 2

You are decorating the top of a table by covering it with small ceramic tiles. The table top is a regular octagon with 15 inch sides and a radius of about 19.6 inches . What is the area you are covering?. Find the area of a regular polygon. EXAMPLE 2. DECORATING. SOLUTION. STEP 1.

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Perimeter and Area of Quadrilaterals and Triangles 9-1

Perimeter and Area of Quadrilaterals and Triangles 9-1. I can find the perimeter of triangles, parallelograms , rectangles, and trapezoids. I can find the area of triangles, parallelograms, rectangles , and trapezoids.

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Areas of Regular Polygons

Areas of Regular Polygons. Students will be able to find the areas of regular polygons. Regular Polygons. In this chapter we will be dealing only with regular polygons . Anytime that a polygon is mentioned, assume that it is a regular polygon.

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