![]() ![]() ![]() These ancient tools, and others similar to them, are the early versions of the modern technology used today for designing and measuring. They were designed and then constructed using tools that are similar to today’s protractor, compass and Mira. Think of some famous ancient structures such as pyramids, coliseums and cathedrals. Be ready to share some real-world examples of how angles are used that your students will find interesting and relatable.)Īll the major human-built historical masterpiece were built with great precision by following detailed design plans. If available, have a Mira for each student, too, although they are not required to complete the worksheet. Make copies of the Angles and Reflections Worksheet and have a supply of protractors for students to individually use. (Have handy a protractor and Mira ready to demonstrate to the class. Students should know that the reflection of a line always has equal angles, that a straight line is 180° and that a right angle is 90°.
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