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[DOC File]Lesson 4: Building with Triangles
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46. The triangle on the right is an equilateral triangle, in which all three sides and angles are equal. The vertical line is an altitude, meeting the side in a right angle. Using this information, but with no knowledge of what the numerical lengths of the side or altitude are, find the sine and cosine of the angle at B.
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[DOC File]1 - AP Physics
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1 The diagram shows an equilateral triangle and a square. Each side of the square is 1.5 cm shorter than each side of the triangle. The perimeter of the triangle is equal to the perimeter of the square. Work out the value of x. ... [3 marks] Answer 3. This shape is made from rectangles. All measurements are in cm. Work out an expression, in ...
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[DOC File]Math Practice Test 2
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Assume all measurements have two significant digits. Exercise 12 — Find the length of the unknown side of these three triangles (all lengths in mm): [a] [b] [c] Exercise 13. A triangle has sides 102 in, 72 in, and 40 in. Solve this triangle and check your solution. In Exercises 14-17, completely solve each triangle.
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[DOC File]Strand 4: Geometry and Measurement
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One person spins the spinner (divided into 6 congruent sectors, 1 through 6) three times. The group determines whether or not those measurements can form a triangle, and if so, what kind (equilateral, isosceles, or scalene. For example, on the first set of spins, a student might spin 2, 3, and 1. In this case, a triangle would not be formed.
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Use what you know about equilateral triangles to draw one. Extension: students can draw more than one equilateral triangle. Yes, all sides are angles are congruent. All tree angles are congruent. All three angles are equal. 180/3=60 or 60+60+60=180 Teacher Decision Check Point: Evaluation: Estimated Time: ___15minutes_____
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[DOC File]Lesson #1: Area of Circles
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(isosceles, equilateral, right) The vertices of a triangle are given below. Classify the triangle as scalene, isosceles, or equilateral. (0, -3), (3, 5), (-5, 2) ... Determine the effects of a single transformation on linear or area measurements of a planar geometric figure. Strand 4: Geometry and Measurement. Concept 3: Coordinate Geometry ...
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[DOC File]Day 1: Triangles and similarity
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A series of measurements are made of the pressure P and the volume V of a sample of nitrogen gas kept at a constant temperature. ... straight wires that are fixed at two vertices of an equilateral triangle, as shown above. The net magnetic field at the third vertex (point P) due to these currents is in which of the following directions? (A) (B ...
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[DOC File]Name:
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32. The Pep Club is making pennants, as shown below. The angles at the top and the bottom of the pennant are equal in measure, while the third angle is smaller. Classify the triangle according to the lengths of its sides. A. acute triangle. B. equilateral triangle. C. isosceles triangle. D. scalene triangle 33.
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[DOC File]Day 1: Triangles and similarity
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10. An equiangular triangle is a triangle that has _____. 11. From your measurements, determine whether your triangle is an equiangular triangle. If so, record its angle measurements below. If not, drag the vertices of triangle ABC until the angle measurements indicate that it’s an equilateral triangle.
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[DOC File]Step 1 Lesson Plan - Caitlin Haig
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• An equilateral triangle contains three sides of the same length. All equilateral triangles are also equiangular. Example 1: Classify the following triangle. Solution: The triangle has three sides of equal length, and therefore it is an equilateral triangle. All equilateral triangles have angle measures of 60º, 60º, and 60º.
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Equilateral triangle measurements