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[DOC File]Dilations and Scale Factor Notes
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A triangle has sides of lengths 26 cm and 80 cm. The angle between these two given sides has a measure of 30°. What is the area of this triangle in square centimeters?
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[DOC File]Day 1: Triangles and similarity
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The lengths of two sides of a triangle are 3 feet and 9 feet. Find the range for the length of the third side. Explain your reasoning. Farmer John has 23 meters of fencing to build a triangular pig pen. He wants two of the sides of the pen to be 9 meters and 12 meters long. Determine if he has enough fencing to build the pen. Explain your reasoning.
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[DOC File]Special Right Triangles Worksheet # 2
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– the ratio of the lengths of corresponding sides of similar figures. Dilations. Enlargement – when the image (or the new figure) is bigger than the original – happens when the scale factor is > 1. Example 1: Use the scale factor 3 to dilate triangle ABC to triangle A’B’C’. Give the length of the sides of triangle …
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[DOC File]Triangle Inequalities
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10. 11. 12. Equilateral Triangle _____ ____ _____ _____ 13. The length of the diagonal of a square is 12 inches. Find the length of one side of the square. 14 The length of one side of an equilateral triangle is 6meters. Find the length of the altitude of the triangle. 15. The length of the altitude of an equilateral triangle is 12 feet.
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[DOC File]Day 1: Triangles and similarity
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Exercise 18. We have a triangle with sides of 33 ft, 47 ft, and 72 ft. Find the size of the largest angle. (Report the angle to three decimal places.) Exercise 19. We have a triangle with sides of 47 ft and 72 ft, and the angle opposite the side of 47 ft is 31.216˚. The unknown side is shorter than either of the other sides.
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Laws of Sines and Cosines - Troup County
Give the length of the sides of triangle A’B’C’. First, find the lengths of the sides of the triangle ABC. The lengths are: AB = 5 cm. BC = 4 cm. CA = 3 cm. Then use the given scale factor, 3, to enlarge the triangle’s side lengths by multiplying each of the original lengths by …
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[DOC File]Lesson Title - VDOE
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Students explore the importance of the side lengths of a triangle and when triangles can or cannot be constructed on the basis of these lengths. Lesson 4 - How Many Triangles Can You Construct? Students identify patterns in a geometrical figure (based on triangles) and build a …
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Right Triangle Calculator
14. The sides of a triangle are 50 meters, 70 meters and 85 meters long. Find the measure of the largest angle to the nearest degree. 15. An isosceles triangle has a base of 22 centimeters and a vertex angle of 360. Find the perimeter of the triangle. 16. The longest side of a triangle is 30 inches long. Two of the angles have measures of 45 and 79.
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[DOCX File]Currituck County Schools / Overview
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List the sides and angles of each triangle in order from largest to smallest. has side lengths of 1 inch, inches, and inches and angle measures of 90°, 28°, and 62°. Which side is opposite each angle? The lengths of two sides of a triangle are given. Determine the range for the possible lengths …
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[DOC File]Lesson 4: Building with Triangles
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Triangle 4 has sides with lengths 7.2, 6.3, and 8.1 Answers: a. and . Notice that the square of the longest side is larger than the sum of the squares of the shorter sides. Thus the angle is obtuse. b. and . Notice that the square of the longest side is equal to the sum of the squares of the short sides.
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Lengths of sides of triangle