'2 congruent' presentation slideshows

Construction Geometry

Construction Geometry. Geometric Solid Basics Prisms Pyramids Cylinders Cones Spheres. Geometric Solids. Geometric solids are three-dimensional geometric figures. Our lessons will focus on right solids and will include: Prisms Pyramids Cones Cylinders Spheres.

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Lesson 8.1A: Three Dimensional Objects, Nets, and Cross-Sections

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Section 4.3 -A Right Angle Theorem

Section 4.3 -A Right Angle Theorem. Michael Smertz H Geometry- 8 30 May 2008. The Theorem. In order to prove that lines are perpendicular, you must first prove that they form right angles. For this reason, it is necessary to know the following theorem:

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Warm Up

Warm Up. Given: Diagram as shown Prove: <1 congruent <3 Hint: Think of Supplementary Angles!. <ABC is a straight < 1. Assumed <1 is supp to < 2 2. If 2 adjacent <s form a straight <, they are supp. 3. <DBE is a straight < 3. Same as 1 4. <2 is supp to <3 4. Same as 2

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SURFACE AREA OF PRISMS AND CYLINDERS Section 12.2

GUIDED PRACTICE. SURFACE AREA OF PRISMS AND CYLINDERS Section 12.2. GUIDED PRACTICE. Prism: a polyhedron with 2 congruent, parallel bases. The surface area is the area of all the sides and bases. The lateral surface area is the area of all the bases.

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