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[DOC File]Nova Scotia Department of Education
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6.2 – Determining the height of a triangle given the base and an angle, Determining the area of an isosceles triangle given . the base and height, Equilateral triangle, Interior and exterior angles, Perimeter. Curriculum Outcomes: C36 explore, determine, and apply relationships between perimeter and area, between surface area and volume D1 determine and apply formulas for perimeter, area ...
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[DOC File]Unit - Ministry of Education
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1. Select an object whose base is at right angles to the ground and whose height you cannot measure. 2. Measure the length of the shadow of the object. (Indicate units.) 3. Hold a metre/yard stick at right angles to the ground, and measure the length of its shadow. (Use the same units as in question 2.) 4. Draw similar triangles representing ...
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[DOC File]CHAPTER 3 – Right Triangle Trigonometry
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It was first developed for use in astronomy and geography. Today, trigonometry is used in surveying, navigation, engineering, construction, and the sciences to explore the relationships between the side lengths and angles of triangles. Lesson 1. The Tangent Ratio. A trigonometric ratio is a ratio of the measures of two sides of a right triangle.
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[DOC File]Unit - Ministry of Education
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Picture Skeleton Base height of prism = 5.0 cm. length of rectangle = 6.3 cm h = height of triangle = 6.0 cm. b = base of triangle = 4.0 cm Draw and label the net: 2. Determine the surface area of the nutrition bar. Picture Skeleton Base Length of rectangle = 5.0 cm Equilateral triangle with: height = 3.0 cm
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[DOC File]100 Word Vocabulary List Geometry
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Equilateral triangle – triangle with all sides congruent. Adjacent angles – two coplanar angles with a common vertex and a common side between them. Vertical angles – the non-adjacent angles formed by two intersecting lines. Complementary angles – two angles whose sum is 90 degrees. Supplementary angles – two angles whose sum is 180 ...
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[DOC File]Angles, Arc, and Measure
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On a triangle, often angles are labeled with _____ letters and their opposite sides are labeled with the same . letter _____. An angle of _____ is An angle of _____ is an . an angle looking _____. angle looking _____ from a _____ line. Example: At a point 200 ft from the base of a building, the angle of elevation to the bottom of a smokestack is 35o, whereas the angle of elevation to the top ...
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[DOC File]TRIG WORKSHEET—RIGHT TRIANGLE APPLICATIONS
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From a point 100 feet in front of a building, the angles of elevation to the base of the flagpole and to the top of the flagpole are and , respectively. The flagpole is mounted on the roof of the building. Find the height of the flagpole. 9. The altitude of an equilateral triangle is 5 cm. What is the length of a side of the triangle? 10. Find the altitude of an isosceles triangle with base 4 ...
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[DOCX File]Lesson 1: - Scottsbluff Public Schools
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In this pattern, all of the angles inside the octagons have the same measure. The shape in the center is a square. Find the measure of one of the angles inside one of the octagons. Solution. 135. o Problem 4 (from Unit 6, Lesson 17) The height of the water in a tank decreases by 3.5 cm each day. When the tank is full, the water is 10 m deep ...
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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’ theorem: In a right angled triangle the square ...
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[DOC File]Triangle problems
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17. From the top of a hill, the angles of depression of two successive milestones on a straight level road leading to the hill are 15 and 5. Find the height of the hill. 18. To determine the height of one of the great redwood trees of California a surveyor lays off a distance of …
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Height of a triangle with angles