'Calculating angles' diaporamas de présentation

Year 7, 2014

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Algebra A

Algebra A. Lines and Angles. Lines. In Mathematics, a straight line is defined as having infinite length and no width. Is this possible in real life?. Labelling line segments. A. B. When a line has end points we say that it has finite length. It is called a line segment.

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KS3 Mathematics

KS3 Mathematics. S1 Lines and Angles. S1 Lines and angles. Contents. S1.1 Labelling lines and angles. S1.2 Parallel and perpendicular lines. S1.3 Calculating angles. S1.4 Angles in polygons. Lines in a plane. What can you say about these pairs of lines?. These lines do not intersect.

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Angles

Angles. KHM. Polygons. Definition:. A closed figure formed by a finite number of coplanar segments so that each segment intersects exactly two others, but only at their endpoints. These figures are not polygons. These figures are polygons. Interior Angle of a Polygon.

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The Sine Rule.

A. b o. C. a o. c o. B. The Sine Rule. c o. B. A. a o. b o. C. Finding The Sine Rule. Consider the triangle below:. H. Add the altitude line as shown. H is the height of the triangle. Now write the sine ratio for each right angled triangle:. H =. A sin b o. H =. B sin a o.

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The Sine Rule.

A. b o. C. a o. c o. B. The Sine Rule. c o. B. A. a o. b o. C. Finding The Sine Rule. Consider the triangle below:. H. Add the altitude line as shown. H is the height of the triangle. Now write the sine ratio for each right angled triangle:. H =. A sin b o. H =. B sin a o.

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Complementary angles

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Number: Integer arithmetic including negatives

Unit 2 topic list: Test monday 12 th March. Number: Integer arithmetic including negatives Decimals arithmetic including: rounding and estimation Fractions arithmetic Factors and Multiples including: factor trees, HCFs, LCMs Fractions Decimals and Percentages including recurring decimals

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