# 'Angles' presentation slideshows

## 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˚.

By emily
(382 views)

## 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

By jacob
(251 views)

## 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˚

By issac
(277 views)

## 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:

By omer
(286 views)

## 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

(118 views)

## Section 7.4

Section 7.4. Trigonometric Functions of General Angles.

By Olivia
(303 views)

## Trigonometry

Trigonometry. Instant Trig. Trigonometry is math, so many people find it scary It’s usually taught in a one-semester high-school course However, 95% of all the “trig” you’ll ever need to know can be covered in 15 minutes And that’s what we’re going to do now. 20°. 44°. 30°. 120°. 68°.

By Sophia
(343 views)

## 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.

By emily
(447 views)

## 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).

By Jimmy
(400 views)

## 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.

By daniel_millan
(265 views)

## 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.

By brendy
(268 views)

## DIMENSIONING

DIMENSIONING. The dimension line should be approximately 3/8” from the object and the extension lines should extend 1/8” beyond the dimension line. The actual measurement is placed on the dimension line with a break in the line to allow for placement of the text.

By bat
(254 views)

## Geometry Notes

Geometry Notes. Sections 3-2. What you’ll learn. How to use the properties of parallel lines to determine congruent angles. How to use algebra to find angle measures. Vocabulary. No new vocabulary!!!!. Corresponding Angles Postulate.

By synnove
(176 views)

## 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:

By tejana
(620 views)

## 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

By ostinmannual
(303 views)

## 7-1 7-2 Angles PA

7-1 7-2 Angles PA. Measurement of an Angle. To denote the measure of an angle we write an “m” in front of the symbol for the angle. Here are some common angles and their measurements. 1. 2. 4. 3. Congruent Angles.

By jena
(164 views)

## Warm Up

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

By tanner
(87 views)

## 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.

By nowles
(164 views)

## 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

By cece
(173 views)

## KS3 Mathematics

KS3 Mathematics. S1 Labelling 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 . .

By chidi
(123 views)

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