'Corresponding angles' diaporamas de présentation

Midterm Review

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Parallel Lines and Angles

A. B. Parallel Lines and Angles. Definition Two different given lines L 1 and L 2 on a plane are said to be parallel if they will never intersect each other no matter how far they are extended. . Definition Two angles are called vertical angles if they are opposite to each other

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Geometry Final Exam Review

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Revising Basic Angles

Angles. MTH 3-17a. Revising Basic Angles. Naming Angles. Calculating Missing angles. Angles in a Triangle. www.mathsrevision.com. Corresponding Angles. Alternate Angles. Starter Questions. Q1. Convert to the 24 hour clock. (b) 6:50 am. (a) 7:25 pm. Q2. Write down the type of angle

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4.1 Quadrilaterals

4.1 Quadrilaterals. Quadrilateral. Parallelogram. Trapezoid. Isosceles Trapezoid. Rhombus. Rectangle. Square. 4.1 Properties of a Parallelogram. Definition: A parallelogram is a quadrilateral in which both pairs of opposite sides are parallel. A. B. D. C.

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Warm up

5. 6. 4. 7. 8. 3. 2. t. 1. Warm up. List all pairs of angles that fit the description. Corresponding Alternate Interior Alternate Exterior Consecutive Interior. LINES AND ANGLES. B. A. D. l. C. m. 28. PARALLEL LINES. Def: line that do not intersect. Illustration:

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Unit 1 Review

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Angle Relationships

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PARALLEL LINES CUT BY A TRANSVERSAL

PARALLEL LINES CUT BY A TRANSVERSAL. DEFINITIONS. PARALLEL TRANSVERSAL ANGLE VERTICAL ANGLE CORRESPONDING ANGLE ALTERNATE INTERIOR ANGLE ALTERNATE EXTERIOR ANGLE. DEFINITIONS. SUPPLEMENTARY ANGLE COMPLEMENTARY ANGLE CONGRUENT . Parallel lines cut by a transversal. 2. 1. 3. 4. 6.

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Similar Figures

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Mathematical Similarity

Mathematical Similarity. Similar Figures & Scale Factor. www.mathsrevision.com. Similar Triangles. Starter Questions. www.mathsrevision.com. Similar Figures. Learning Intention. Success Criteria. To explain how the scale factor applies to similar figures.

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In geometry, two objects are similar when one is a scale model of the other.

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The distance from any point on a circle to the center is a constant called the radius.

The distance from any point on a circle to the center is a constant called the radius. The length of any line segment from a point on a circle to the center of the circle is a constant called the radius. All radii of a circle are the same length. B. A. C. B. A. C.

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Geometry Review

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Investigation 1

Investigation 1. Stretching & Shrinking K. Williams Rm 203. POD 10/14/10. Figure 1 is the original shape. Analyze how Figure 1 was changed to Figures 2, 3, & 4. Fig. #3. Fig. #1. Fig. #4. Fig. #2. Notes: Vocabulary Terms.

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Lesson 2 - 5

Proving Lines Parallel. Lesson 2 - 5. Proving Lines Parallel - Postulates & Theorems. If two lines are cut by a transversal and corresponding angles are congruent , then the lines are parallel. Proving Lines Parallel - Postulates &Theorems.

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Congruent Polygons

Congruent Polygons. Lesson 4.1. Naming polygons. A. AB AE. ABCDE AEDCB. DEABC DCBAE. B. A. EABCD EDCBA. Keep going until you get back to the beginning. Pick a letter. Pick a direction. E. C. BCDEA BAEDC. CDEAB CBAED. D. Corresponding angles.

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5.3 Proving Triangle Similar

5.3 Proving Triangle Similar. Postulate 15: If the three angles of one triangle are congruent to the three angles of a second triangle, then the triangles are similar (AAA)

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[4.4] Similar Polygons

[4.4] Similar Polygons. Are these parallelograms similar?. These trapezoids are similar. Find . Flags. Definitions. Polygon: Corresponding Sides: Corresponding Angles:.

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5.3 Proving Triangle Similar

5.3 Proving Triangle Similar. Postulate 15: If the three angles of one triangle are congruent to the three angles of a second triangle, then the triangles are similar (AAA)

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