measures the distance of a point‚ using: An origin point to an object’s feature such as a key-way in a part Radial measures radii and diameters‚ using: A centre line/mark to arc or circle parameters to show data Angular measures the angle formed‚ using: An angle vertex and endpoints to show data - between two lines or use of three points 5. What is the difference between a dimension and en extension line? Dimension lines give distance or extent of dimension and extension lines give the limits
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hundredth. 1. sin A 3. cos A SOLUTION: The cosine of an angle is defined as the ratio of the adjacent side to the hypotenuse. So‚ ANSWER: SOLUTION: The sine of an angle is defined as the ratio of the opposite side to the hypotenuse. So‚ 4. tan A ANSWER: 2. tan C SOLUTION: The tangent of an angle is defined as the ratio of the opposite side to the adjacent side. So‚ ANSWER: 3. cos A SOLUTION: The cosine of an angle is defined as the ratio of the adjacent side to the hypotenuse
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Angles: Right Angles All right angles are congruent. Straight Angles All straight angles are congruent. Congruent Supplements Supplements of the same angle‚ or congruent angles‚ are congruent. Congruent Complements Complements of the same angle‚ or congruent angles‚ are congruent. Linear Pair If two angles form a linear pair‚ they are supplementary. Vertical Angles Vertical angles are congruent. Triangle Sum The sum of the interior angles of a triangle is 180º. Exterior
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math terms and their definitions. Acute angle – An angle which measures below 90°. Acute triangle – A triangle containing only acute angles. Additive inverse – The opposite of a number or its negative. A number plus its additive inverse equals 0. Adjacent angles – Angles with a common side and vertex. Angle – Created by two rays and containing an endpoint in common. Arc – A set of points that lie on a circle and that are positioned within a central angle. Area – The space contained within a shape
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of two of its side lengths and the sine of the angle. ______2. Given only the three sides of a triangle‚ there is insufficient information to solve the triangle. ______3. Given two sides and the included angle‚ the first thing to do to solve the triangle is to use the Law of Sines. ______4. The Law of Sines states that the ratio of the sine of an angle in a triangle to its opposite side is equal to the ratios of the sines of the other two angles to their opposite sides. ______5. Law of Cosines
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...................................................pg22 PROJECT TITLE: To determine the ideal angle at which Penelope‚ a national volleyball player‚ needs to serve the ball in order to obtain the distance that it needs to go over the net but stay in the court y applying the theory of projectile motion. AIM: To determine the ideal angle and distance needed for a volleyball ball to be served over the net within the dimension of the court using projectile
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Euclid defined a 90 degree angle as two equal adjacent angles along a straight line. 5 Postualates [It is possible] to draw a straight line from any point to any point. “ to produce a finite straight line continuously in a straight line. “ to describe a circle with any center and distance All right angles are equal to one another If a straight line falling on two straight lines make the interior angles on the same side less than two right angles‚ the two straight lines
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T. 34. Refraction is a bending that occurs when a wave moves from one medium to another at an angle and changes speed. _________________________ F. 40. A wave bending as it passes a point of land is an example of refraction. ___diffraction______________________ 43. The __amplitude__________________ of a mechanical wave is a direct measure of its energy. Short Answer Use the diagram to answer each question. 61. What does the person transfer to the rope by pulling it up and down at point
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MATHEMATICS CURRICULUM FOR SECONDARY COURSE RATIONALE Mathematics is an important discipline of learning at the secondary stage. It helps the learners in acquiring decision- making ability through its applications to real life both in familiar and unfamiliar situations. It predominately contributes to the development of precision‚ rational and analytical thinking‚ reasoning and scientific temper. One of the basic aims of teaching Mathematics at the Secondary stage is to inculcate the skill
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parallel to each other. All four angles are 90 degree and the diagonal bisects the other diagonals and also the angles while the diagonals are perpendicular respectively. The adjacent sides are perpendicular. While the square is a symmetrical figure at the center‚ it divides the polygon into four congruent isosceles triangles (Two angles are 45 degree). Square is a special rectangle. 2. Equilateral Triangle An acute triangle with all angles and sides congruent‚ the angle is 60 degree. It is also known
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