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[DOC File]CHAPTER 3 – Right Triangle Trigonometry
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A trigonometric ratio is a ratio of the measures of two sides of a right triangle. One trigonometric ratio is the tangent ratio. The short form for the tangent ratio of angle A is tan A. Example 1: Write each trigonometric ratio. tan A. tan B. Example 2: Calculate tan 25( to four decimal places. Draw a triangle to represent tan( = 5/4.
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[DOC File]Chapter 7/8: Geometry, Trigonometry, and Right Triangles
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21. In the diagram of right triangle ABC, b = 40 centimeters, mA = 60, and mC = 90. Find the number of centimeters in the length of side c. 40 60 80 80 22. _____ In the diagram of right triangle ABC, is the hypotenuse, AC = 3, BC = 4, and AB = 5. Sin B is equal to sin A cos A tan A cos B
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[DOC File]Special Right Triangles Review Problems
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The hypotenuse of a right triangle with a 30 degree angle has a length of 9 cm. What is the length of the leg adjacent to the 30 degree angle? The diagonal of a square has a length of 18 cm. Find the area of the square. The height of an equilateral triangle is 6 in. Find the perimeter of the triangle. Albert is …
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[DOC File]Right Triangle Applications
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Find the area of triangle AOB. A person flying a kite holds the string 4 feet above ground level. The string of the kite is taut and makes an angle of 60° with the horizontal. Approximate the height of the kite above ground level if 500 feet of string is payed out. Find the area of a triangle with side lengths 5 and 8 and an included angle of ...
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[DOC File]Theorems in right-angled triangles
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Prove: height “h” splits the triangle into two triangles. they are both right-angled triangles and they share an acute angle with the big triangle. so their angles are equal to the big triangle ones. so the small triangles are similar to the big triangle. so their ratios of the hypothenuse and one short side are equal: and . The Pythagoras ...
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[DOC File]Right Triangle Applications
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Approximate the height of the kite above ground level if 500 feet of string is payed out. Find the area of a triangle with side lengths 5 and 8 and an included angle of 38°. A person is 200 yards from a river.
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Height of right triangle angle