# 'Prove theorems' diaporamas de présentation

## Properties of Parallelograms

Properties of Parallelograms. Investigate the properties. Use the properties to create and solve equations Prove theorems about parallelograms. Use coordinates to prove theorems algebraically Describe properties of parallelograms using transformations. What do you think?.

By fraley
(170 views)

## Do Now

Do Now. What do you call a 90° angle?. A right angle!. Definition: An angle is a right angle iff it is 90 °. Theorem: If two angles are right angles, then they are congruent. Remember: We have to *prove* theorems!. D. B. B. A. C. A. What do you call two angles that add up to 90°?.

By maxim
(68 views)

## Michael Reyes MTED 301 Section 1-2. Subject: Geometry Grade Level:9-10 Lesson:

Michael Reyes MTED 301 Section 1-2. Subject: Geometry Grade Level:9-10 Lesson: The Distance Formula Objective: California Mathematics Content Standard Geometry 17.0:

By bliss
(79 views)

## 10/6/ 14 Geometry Bellwork

10/6/ 14 Geometry Bellwork. Reminder. 3.6 Prove Theorems About Perpendicular Lines. Slope of m = 3. Slope of n = 3. Slope of perp. = -1/3. Approx. 3.2 units. 10/6/14 Geometry. Homework: Textbook: Pages: 194-195 Exercises: 2-7 all, 15-17 all, 24 , 26, 27.

By seth
(120 views)

## 6.4 Rhombuses, Rectangles and Squares

6.4 Rhombuses, Rectangles and Squares. Geometry CCSS: G.CO 11.

By henriette-angel
(169 views)

## Lesson 3.6

Lesson 3.6. Prove Theorems about Perpendicular Lines. Objective. Find the distance between a point and a line. Standard. 7.0 – Students prove and use theorems involving the properties of parallel lines cut by a transversal. Academic Language. Distance from a point to a line. Example.

By gareth-kaufman
(111 views)

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