PPT-Parallel Lines

and a Transversal Vocabulary Parallel lines Lines in the same plane that have the same slope and never intersect Transversal A line that intersects two or more parallel lines Interior Angles. 8.G.5. Essential Question. ?. What can you conclude about the angles formed by parallel lines that are cut by a transversal?. Common Core Standard. :. 8.G ─Understand . congruence and similarity using physical models, transparencies, or geometry software.. My math presentation of parallel and perpendicular lines… . And . mathiness. and history. These were from some ancient Roman or Greek guy. . H. is name was Euclid (for parallel). Though there was much talk about lines that crossed in a 90 degree way, the first time it was used in math was by a French philosopher named Cartesian.. Dr Susan Cartwright. Dept of Physics and Astronomy. University of Sheffield. Parallel Universes. Are you unique?. Could there be another “you” differing only in what you had for breakfast this morning?. Lines & planes. Parallel lines. : two lines in the same plane that don’t intersect.. Skew Lines. : two lines . not. in the same plane that don’t intersect.. Parallel Planes. : two planes that don’t intersect.. Look for the similar Triangles. Parallel Lines and Transversal. Alternate interior angles are congruent if the lines are parallel. Corresponding angles are congruent if the lines are parallel. Could use SSI to prove lines parallel. Students will be able to. Determine whether two lines are parallel. Write flow proofs. Define and apply the converse of the theorems from the previous section. Objectives. You can use certain angle pairs to determine if two lines are parallel. Geometry. Chapter 3. This Slideshow was developed to accompany the textbook. Larson Geometry. By Larson. , R., Boswell, L., . Kanold. , T. D., & Stiff, L. . 2011 . Holt . McDougal. Some examples and diagrams are taken from the textbook.. Section 3.1 – Lines and Angles. I CAN identify relationships between figures in space.. I CAN identify angles formed by two lines and a transversal.. Key Vocabulary:. Parallel Lines. Skew Lines. Parallel Planes. Algebra 1 Unit 5: Writing equations of lines. Parallel Lines. What are parallel lines?. Parallel lines are two lines that never intersect each other.. Where have you seen examples in real-life?. Lines on a road. Pgs. 26, 28, 30. Warmup. (pg. 23) . The measures of 2 Vertical Angles are 90 and (5x 10). Find the value of x.. The measure of an angle is twice the measure of its compliment. . What’s a Transversal? . Common Core Investigation 4: Geometry Topics. 4. 3. 2. 1. 0. In addition to level 3.0 and above and beyond what was taught in class, I may:. Make connection with real-world situations. Make connection with other concepts in math. 8255.  . 1. Parallel Communication Interface 8255. 8255. Signals. Block diagram. I/O mode. BSR Mode. Control word. 2. Parallel Communication Interface 8255. The . 8255 is a widely used, programmable parallel I/O device. . i.e. . they do not meet).. What is the shortest distance between them?.  .  .  .  . Also find the co-ordinates of . and . ..  . shortest distance. must be perpendicular to both lines.. Let . Then . Draw a third line parallel to, and equidistant between, the first two lines.. Draw a two more lines parallel to the three lines so that you now have five equally spaced lines.. Decide which base pair you will draw, and on which side you will have the purine base and on which side you will have the pyrimidine base..