1. Materials Reminders

2. Get out your agenda if you see your name below. You need to come to my room tomorrow. Period 2Period 7

3. Find the area of the isosceles (has 2 equal sides) triangle below. 10 ft 13 ft

4. 7-4 Three Dimensional Figures How do I identify and draw three dimensional figures?

5. Questions:Notes: What does coplanar mean? Coplanar– points or lines that lie in the same plane Example: What does parallel mean? Parallel – lines or planes that will never cross Example: What is a solid? Solid – 3-dimensional figures that enclose a space Example:

6. Questions:Notes: What is a polyhedron? Polyhedron – a solid made up of flat surfaces that are polygons Example: How do I describe the parts of a polyhedron? Polyhedrons have EDGES, FACES, VERTICES and DIAGONALS Example: What are skew lines? Skew Lines – Lines that don’t intersect and are not coplanar Example:

7. Questions:Notes: What is a prism? Prism – A polyhedron with 2 parallel and congruent bases Examples: What is a pyramid? Pyramid – A polyhedron with one base and triangular faces Examples:

8. Concept Check SILENTLY think of the name for the following 3-dimensional figures (10 seconds). I will count to three, then SHOUT OUT YOUR ANSWER.

16. Homework Pages 371-372; 9-16, 24- 25, and 27-28 AND Cornell Notes Summary