Bell Ringer Welcome Back from Spring break!!! List 4 fun things you did over the break ( 1 in each box). If you didn’t go anywhere, you can list things like sleep, relax, etc!! Those sound fun to me too!!

Let’s Take a Look at Your Test

What’s Coming Up This Week Academic Sessions Project – DUE WEDNESDAY

Section 12.1: 3D Figures R drive > Key > March 30_April 3 > 3_30__12.1 Three Dimensional Figures File > Save As > P drive > Math > March 30_April 3 > 3_30__12.1 Three Dimensional Figures

Vocabulary 2 Dimensional Figure (2D) – Has 2 dimensions (length and width) Plane – A 2D flat surface that extends in all directions

Notes There are different ways that planes may be related: (1) Intersect in a Line (2)Intersect in a Point (3) No intersection

Vocabulary 3 Dimensional Figure (3D) – has 3 dimensions (length, width, and depth) Solids – 3D figures formed by intersecting planes Polygon – A shape with straight sides Polyhedron – A solid with flat surfaces that are polygons

Vocabulary

Vocabulary Prism – A polyhedron with two parallel, congruent faces called bases that are polygons. Base- Any two parallel congruent faces Pyramid – A polyhedron with one base that is any polygon. The other faces are triangles

Prisms and pyramids are named by the shape of their bases. Notes Prisms and pyramids are named by the shape of their bases.

Real World Examples Triangular Prism: (Base is a triangle) Rectangular Prism: (Base is a rectangle)

Real World Examples Triangular Pyramid: (Base is a triangle) Rectangular Pyramid: (Base is a rectangle)

Vocabulary Cylinder – A 3D figure with congruent, parallel bases that are circles connected with a curved side Cone- Has one circular base and a vertex connected by a curved side

Example 1 Identify 3D Figures

Example 2 Identify 3D Figures

Example 3 Identify 3D figures

Example 4 Identify 3D Figures

Homework Section 12.1 #1, 2, 7 - 9

Homework Section 12.1 #1, 2, 7 - 9