'Alternate angles' diaporamas de présentation

Part c

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Geometry 4

Geometry 4. Level 1. Are the lines parallel?. Corresponding Angles are equal. Corresponding angles. a. a. Vertically opposite angles are equal. a. a. a. Alternate angles are equal. a. a. a. Are these lines parallel?. a + c = 180 ( ). a + c = 180 ( ).

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Different Types of Angle

Different Types of Angle. a. a. a. a. a. a. b. b. b. b. b. b. c. c. c. c. c. c. a and b ,. b and c ,. c and a. Angles at a Point. C. O. O. A. B. are three pairs of adjacent angles with a common vertex O. a , b and c are called angles at a point. a. b. c.

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91031

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Claudius Ptolemy

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Angles and Triangles

Angles and Triangles. Cian Taylor Email: cian.taylor@ireland.com Web: http://eduspaces.net/ciantaylor. About me. I am an Irish secondary school teacher of Maths and Science. Check out my eduspace page at http://eduspaces.net/ciantaylor

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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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PART 3 Angle Relationships

PART 3 Angle Relationships. Angle Relationships. Lesson Objectives - Students will: Discover angle properties such as: Complementary, Supplementary, vertically opposite, Corresponding, Alternate, interior. Investigate properties of triangles and quadrilaterals.

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CONGRUENT TRIANGLES

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Parallel Lines

Parallel Lines. Transversal. Angles Between Parallel lines. Draw a pair of parallel lines with a transversal and measure the 8 angles. Parallel lines remain the same distance apart. Vertically opposite angles are equal. vert.opp. ?s. Corresponding angles are equal. corr. ?s.

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FIND SETS OF PARALLEL LINES

FIND SETS OF PARALLEL LINES. A. B. F. D. G. H. C. E. L. K. J. M. N. SETS OF PARALLEL LINES. A. B. G. E. D. J. H. C. F. L. K. M. N. 2-D SHAPES AND PARALLEL LINES. A. B. E. D. C. 2-D SHAPES AND PARALLEL LINES. A. B. E. D. C. 3 sets. 3 sets. 4 sets.

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Complementary angles

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Angles of Elevation and Depression

Angles of Elevation and Depression. A powerpoint presentation by Winston Micallef Head of Department (Mathematics). eye - level. eye - level. eye - level. eye - level. eye - level. eye - level. eye - level. eye - level. eye - level. eye - level. eye - level. eye - level.

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Menu

Menu. Theorem 1 Vertically opposite angles are equal in measure. Theorem 2 The measure of the three angles of a triangle sum to 1800 . Theorem 3 An exterior angle of a triangle equals the sum of the two interior opposite angles in measure.

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Year 9 Geometrical Reasoning

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Properties of Triangles

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Line AB | | Line CD

Parallel Lines : Corresponding Angles. E. A. B. Line AB | | Line CD Transversal Line EF crosses lines AB and CD at intersection points P and Q respectively. P. Q. C. F. D. ? EPB and Angle ? EFD are corresponding angles. Other pairs of corresponding angles are :

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Angle Bisector theorem

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