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CH 10 math vocab
Question | Answer |
---|---|
altitude | the shortest distance from its top (vertex) to its opposite side (base) |
altitude of a triangle | the perpendicular distance from the vertex of a triangle to the opposite side |
area | the size a surface takes up |
cone | a solid shape with an elliptical or circular base and a curved surface that tapers to a point (vertex) |
cubic unit | volume of the solids is measured in cubic units |
cylinder | a solid shape with one curved surface and two congruent circular or elliptical bases |
lateral area | the area of the surface of a 3D object, not including the base |
net | flat shape that can be folded up into 3D solid |
prism | a right prism is a solid 3D shape with two identical, parallel bases. in an oblique prism other faces are parallelograms |
pyramid | a solid shape with a polygon as a base and triangular faces that taper to a point (vertex) |
slant height | the distance along the surface of a right circular cone from the edge of the base to the vertex, the altitude of a side of a regular pyramid |
space figure | any object that occupies three dimensions |
sphere | 3D solid that is perfectly round |
surface area | total area of the surface ofa 3D object and is measured in square units |
volume | amount of space occupied by a 3D object and is measured in cubic units |