'Triangles' diaporamas de présentation

Proportions and Similarity

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Maths Test Revision

Maths Test Revision. You will do a paper A without a calculator and paper B with a calculator and a mental arithmetic test. Place Value. Remember where numbers are and what they are worth. Remember the names of columns. Before 0 are negative numbers. Addition.

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Cosmic Rays

Cosmic Rays. What is a cosmic Ray?. A cosmic ray is a high-speed particle Could be an electron Could be an atomic nucleus like hydrogen or helium stripped of its electrons These particles travel throughout the Milky Way galaxy Some come from the sun Some from outside the solar system

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Area of Triangles

Area of Triangles. Area of a Rectangle. Area = base x height. 6 units. or. Area = width x length. Area = 8 x 6. 8 units. Area = 48 square units. Area is measured in square units because we measure in two directions. Area of a Right Triangle. 6 units. 8 units.

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Lecture 5 The Formation and Evolution of CIRS

Lecture 5 The Formation and Evolution of CIRS. Fast and Slow Solar Wind. Fast solar wind (>600 km/s) is known to come from large coronal holes which have open magnetic field structure.

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Geometry Game

Geometry Game. Hosted by EMERSON V.P.A. Geometry Class-2005. Triangles. Quadrilaterals. Angles. Lines. 100. 100. 100. 100. 200. 200. 200. 200. 300. 300. 300. 300. 400. 400. 400. 400. 500. 500. 500. 500. What is a scalene triangle ?. Classify by sides.

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Hosted by Your Class

Hosted by Your Class. Triangles. Quadrilaterals. Angles. Lines. 100. 100. 100. 100. 200. 200. 200. 200. 300. 300. 300. 300. 400. 400. 400. 400. 500. 500. 500. 500. Row 1, Col 1. What is a scalene triangle ?. Classify by sides. 1,2. What is a rectangle?. 1,3.

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4.1 Triangles and Angles

4.1 Triangles and Angles. Geometry Mrs. Spitz Fall 2004. Standard/Objectives:. Standard 3: Students will learn and apply geometric concepts. Objectives: Classify triangles by their sides and angles. Find angle measures in triangles

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Number Cube Challenge

Number Cube Challenge . Juanita and Clarissa have 4 number cubes and are having fun making up number games one afternoon.

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Perimeter

Perimeter. Rectangles, Squares, and Triangles. Perimeter. Measures the distance around the edge of any flat object. To find the perimeter of any figure, ADD the lengths of its sides. What is a rectangle?. A rectangle has: 4 sides 4 square corners or right angles

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11.6 Area of Parallelograms, Triangles, and Trapezoids

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Obj: Generalising Relationships in Words to Formulas Using Letters and Symbols.

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Triangles

Triangles. Classified by their SIDES and by their ANGLES. Triangles Classified by their SIDES. Equilateral : All sides are congruent Isosceles : At least 2 sides are congruent Scalene : None of the sides are congruent. Triangles Classified by their ANGLES.

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wARMUP

wARMUP. PG 436 # 42. Law of cosines. Law of cosines. Used to solve for the missing parts of non-right triangles. Examples. 1.). Examples. 2.). Solving Triangles. SohCahToa Law of Sines Law of Cosines. Right Triangles AAS, SSA, ASA SAS, SSS. Method. Types of triangles.

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Sometimes, always, never?

Sometimes, always, never?. If you multiply an even number by 5, the answer is a multiple of 10. A hexagon has no lines of symmetry. If you fold a square in half, you get two triangles. An even number divided by an even number equals an even number.

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4.2 Angles of Triangles

4.2 Angles of Triangles. Objectives: *Apply the Angle Sum Theorem. *Apply the Exterior Angle Theorem. Mrs. S. Williams. Angle Sum Theorem. X. The sum of the measures of the angles of a triangle is 180. W + X + Y = 180. W. Y. Exterior Angle Theorem.

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4-5 Isosceles and Equilateral Triangles

4-5 Isosceles and Equilateral Triangles. State and apply the Isosceles Triangle Theorem and its converse State and apply the corollaries for equilateral and equiangular triangles. Isosceles Triangle Vocabulary. An isosceles triangle has two or more congruent sides.

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AREA OF PARALLELOGRAMS AND TRIANGLES

AREA OF PARALLELOGRAMS AND TRIANGLES. MATHS PROJECT BY Sarita Kumari,CLASS IX. PLANAR REGION AND CONGRUENT FIGURES. PLANAR REGION- The part of the plane enclosed by simple closed figure is called a planar region.

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4.2 Angle Measures of Triangles

4.2 Angle Measures of Triangles. textbook page 179. Triangle Sum Theorem. the sum of the angles of a triangle always = 180 o. Corollary to Triangle Sum Theorem. the acute angles of a right triangle are complementary. Exterior Angle theorem.

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When two triangles are congruent,

Using Congruent Triangles: CPCTC. LESSON 4-4. Additional Examples.

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