In geometry, thaless theorem states that if a, b, and c are distinct points on a circle where the line ac is a diameter, then the angle. Also, thales was the first person known to have studied electricity. Dynamic mathematics software for learning and teaching. Thaless theorem free download as powerpoint presentation. Thales theorem it is the most important theorem in euclidean geometry. As a geometry teacher, you will be presenting your students with a wide range of different theorems including thales theorem. If two sides of one triangle are congruent to two sides of another triangle, and. The intercept theorem, also known as thales theorem or basic proportionality theorem, is an important theorem in elementary geometry about the ratios of. Ppt thales powerpoint presentation free to download. Microsoft powerpoint is the best presentation software for meetings, industry talks and business proposals. A free powerpoint ppt presentation displayed as a flash slide show on id. View thales theorem ppts online, safely and virusfree. He is often revered as a great mathematician and scientist and is best known for the pythagorean theorem which bears his 2. Provided ac is a diameter, angle at b is constant right90.
Pythagoras was an ionian greek philosopher, mathematician. Basic proportionality theorem thales theorem geometry math. Thales theorem thales theorem it is the most important theorem in euclidean geometry. Take the colored paper provided, and push that paper up between points and on the white sheet. If a line intersects two sides of a triangle and is. Example of using geogebra in geometry demonstrate the intercept theoremthales theorem if two or more parallel. Ppt thales theorem powerpoint presentation, free download id. Test your knowledge of thales and pythagoras contributions to geometry by using this interactive quiz. Pythagoras made influential contributions to philosophy and religion in the late 6th century bc. Slide presentation software, ppt microsoft powerpoint.
Mark points and on the sheet of white paper provided by your teacher. Thales shadow how thales measured the height of the great pyramids. It states that, if a line is drawn parallel to one side of a triangle. The scalar product of two vectors is used to provide a formal proof, illustrating the usefulness of. Thales thales theorem thales theorem it is the most important theorem in euclidean geometry. Draw the diameter of circle p and label endpoints a and b.
Microsoft powerpoint empowers you to create clean slide presentations and intricate pitch decks and gives you a powerful presentation maker to tell your story. Ppt thales powerpoint presentation free to view id. Microsoft powerpoint, slide presentation software, ppt. Class 10 thales theorem or basic proportionality theorem. This video has proof of basic proportionality theorem bpt thales theorem which is when a line is drawn parallel to one of the sides of a.