'Angles' presentation slideshows

7-1 7-2 Angles PA

1.03k views • 82 slides

Warm Up

Warm Up. Problem of the Day. Lesson Presentation. Lesson Quizzes. Math Journal (5 Min).

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Warm Up

Warm Up. Problem of the Day. Lesson Presentation. Lesson Quizzes. Warm Up Solve. 1. x + 30 = 90 2. 103 + x = 180 3. 32 + x = 180 4. 90 = 61 + x 5. x + 20 = 90. x = 60. x = 77. x = 148. x = 29. x = 70. 1 3. 1 6. Problem of the Day

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Warm Up

Warm Up. Problem of the Day. Lesson Presentation. Lesson Quizzes. Warm Up Solve. 1. 72 + 18 + x = 180 2. 80 + 70 + x = 180 3. x + 42 + 90 = 180 4. 120 + x + 32 = 180. x = 90. x = 30. x = 48. x = 28. Problem of the Day

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DIMENSIONING

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Geometry Notes

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Lesson 1.1 (And Introduction to Measuring Angles)

Lesson 1.1 (And Introduction to Measuring Angles). Objective: Recognize points, lines, line segments, rays, angles, and triangles, and measure segments, angles, and classify angles. Basic Definitions. Points:

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Numbers

All about numbers

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Warm-up 2.5

Warm-up 2.5. Fill in the blank Perpendicular lines are two lines that intersect to form _______. An angle is formed by two rays with the same endpoint. The endpoint is called the _________ of the angle. 2.5 Proving Angles Congruent. Gonzales Geometry. Definitions. Vertical Angles

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Trigonometry

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2-5 Proving angles congruent

2-5 Proving angles congruent. Vertical angles. Two angles whose sides are opposite rays. 1. 4. 3. 2. Adjacent angles. Two coplanar angles with a common side , a common vertex , and no common interior points. 3. 4. 1. 2. Complementary angles. Two angles that ADD up to 90?

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Bell Ringer #

Bell Ringer #. 3-2 Proving Lines Parallel. Postulate 3-2 Converse of the Corresponding Angles Postulate. If two lines and a transversal form corresponding angles that are congruent, then the two lines are parallel. 1. m ? n. m. 2. n. Theorems.

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Prove that a given quadrilateral is a parallelogram.

Objective. Prove that a given quadrilateral is a parallelogram. You can use the given information about a figure to decide which condition is best to apply. The two theorems below can also be used to show that a given quadrilateral is a parallelogram.

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7.2 Complementary and Supplementary Angles

7.2 Complementary and Supplementary Angles. Types of Angles. Complementary Angles. The sum of the measures is 90 degrees. Are These Angles Complementary?. 1.). 2.). Are These Angles Complementary?. 3. 4. Supplementary Angles. The sum of the angles add up to 180 degrees.

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Lesson 5-3

Lesson 5-3. Proving Triangles Similar. (AA, SSS, SAS). AA Similarity (Angle-Angle). If 2 angles of one triangle are congruent to 2 angles of another triangle, then the triangles are similar. Given:. and. Conclusion:. 5. 10. 16. 8. 11. 22. SSS Similarity (Side-Side-Side).

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Lines and Angles Vocab

Lines and Angles Vocab. Quick Review : Classify angles by size. Classify angles by size. Acute: 0<90 ?. Right: 90 ?. Obtuse: 90 ? <180 ?. Straight: 180 ?. Intersecting Lines: Lines in a plane that intersect (or cross) Can cross at any angle Examples: Perpendicular Lines:

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Section 7.4

Section 7.4. Trigonometric Functions of General Angles.

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Similar Triangles

Similar Triangles. What were the Shortcuts for Congruence?. SAS SSS ASA AAS. AA Similarity Shortcut. If two angles of one triangle are congruent to two angles of another triangle, then the triangles are similar. SSS Similarity Shortcut.

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Enlargements and Similar figures

Enlargements and Similar figures. Enlargement. When a shape is enlarged by a scale factor: all sides must be multiplied by the scale factor. All angles remain the same New length = original length x scale factor. Similar Figures. When 2 figures (shapes) are similar

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Module 3B:

Module 3B:. Geometric Relationships. Special Pairs of Angles: Complementary Angles - Angles that have a sum of 90 degrees. 25 + 65 = 90 Supplementary Angles- Angles that have a sum of 180 degrees. 140 + 40 = 180. 65?. 25?. 140?. 40?.

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