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SurfaceArea/Volume
| Question | Answer |
|---|---|
| Polyhedron | A three-dimensional figure whose surfaces are polygons. |
| Vertex | A point where three or more edges intersect. |
| Vertex | A point where three or more edges intersect. |
| Net | A two-dimensional pattern that you can fold to form a three-dimensional |
| Cube | A polyhedron with six faces |
| Euler's Formula | The numbers of faces(F), vertuces (V), and edges (E) of a polyhedron are related by the formula F+V=E+2. |
| Isometric drawing | Shows three sides of a figure from a corner view. |
| Orthographic drawing | It shows a top view, front view, and right-side view. |
| Foundation drawing | Shows the base as a structure and the height of each part. |
| Cross section | The inersection of a solid and a plane. |
| Literal equation | An equation involving two or more variables. |
| Prism | A polyhedron with exactly two congruent, parallel faces, called BASES. Other faces are LATERAL FACES. |
| Lateral Area | Is the sum of the areas of the lateral faces. |
| Surface Area | Is the sum of the lateral area and the area of the two bases. |
| Lateral Area of a Prism | The lateral area of a right prism is the product of the perimeter of the base and the height. L.A.=ph |
| Surface Areas of a Prism | The surface area of a right prismis the sum of the lateral area and the areas of the two bases. S.A.=L.A. + 2B |
| Lateral Area of a Cylnder | The lateral area of area of a right prism is the product of the perimeter of the base and the height. L.A.=ph |
| Surface Area of a Cylinder | The surface area of a right cylinder is the sum of the lateral area and the areas of the two bases. S.A.=L.A.+ 2B or S.A.= 2pirh =2pir^2 |
| Pyramid | A polygon which one face (the base) can be any polygon and the other faces (the lateral faces) are triangles that meet at a common vertex. |
| Altitude of a Pyramid (Height) | The perpendicular segement from the vertex to the plane of the base. |
| Slant Height | The length of the altitude of a lateral face of the pyramid. |
| Lateral Area of a Regular Pyramid | The lateral area of a regular pyramid is half the product of the perimeter of the base and the slant height. L.A. = 1/2 pl |
| Surface Area of a Regular Pyramid | The surface area of a regular pyramid is the sum of the lateral area and the area of the base. S.A.= L.A. + B |
| Lateral of a Cone | The lateral area of a right cone is half the product of the circumference of teh base and the slant height. L.A. = 1/2 2 pi l or L.A.= pi(r)(l) |
| Surface Area of a Cone | The surface area of a right cone is the sum of the lateral area and the area of the base. S.A.= L.A. + B |
| Volume | The space that a figure occupies. |
| Cavalieri's Principle | If two space figures have the same height and the same cross-sectional area at every level, then they have the same volume. |
| Volume of a Prism | The volume of a prism is the product of the area of a base and the height of the prism. V=Bh |
| Volume of a Cylinder | The volume of a cylinder is the product of the area of the base adn height of the cylinder. V-Bh or V=pi(r^2)(h) |
| Composite space figure | A three-dimensional figure that is the combination of two or more simplier figures. |
| Volume of Pyramids | The volume of a pyramid is one third the product of the area of the base and the height of the pyramid. V=(1/3)Bh |
| Volume of a Cone | The volume of a cone is one third the product of the area of the base and the height of the cone. V=(1/3)Bh or V=(1/3)pi(r^2)(h) |
| Sphere | The set of all points in space equidistant from a given point called the center. |
| Radius | A segment that has one endpoint at the center and the other endpoint on the sphere. |
| Diameter | A segment passing through the center with endpoints on the sphere. |
| Great Circle | If the center of the circle is also the center of the sphere, the circle is called the great circle. |
| Hemispheres | A great circle divides a sphere into two hemispheres. |
| Surface Area of a Sphere | The surface area of a sphere is four times the product of pi and the square of the radius of the sphere. S.A.= 4 pi r^2 |
| Volume of a Sphere | The volume of a sphere is four thirds the product of pi and the cube of the radius of the sphere. V= (4/3) pi r^3 |
| Similar solids | The same shape and all their corresponding dimensions are proportional. |