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Ladarius Jenkins

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2y ago
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Cards in this guide (12)
How do you find the lateral surface of a triangular prism

The lateral area [L] of a right prism with base perimeter [P] and height [h] is L=Ph.

A hexahedron is a prism whose base is a

Square

Cylinders and cones are just polyhedrons with circular bases

False. Cylinders and cones are not just polyhedrons with circular bases.

Is it true that to find the surface area of a three dimensional figure you must find the area of each of its faces and then add them together

TRUE: To find the surface area of a three dimensional figure, you must find the area of each of its faces and then add them together.

Consider a regular pyramid where p is the perimeter of the base s is the slant height BA is the base area and LA is the lateral area What is a valid formula for the surface area

SA=BA+LA

SA=BA+1/2ps

What platonic solids is also a cone

You could classify a regular tetrahedron, which is a platonic sold, as a cone.

The horizontal cross sectional shapes of the cone are all congruent except for the vertex

False

Which can be constructed from polygons alone

More complicated polygons.

Do cones and prisms only have one base

Cones and pyramids have only one base, but prisms have multiple bases.

Are The Shapes Of The Horizontal Cross-sections Of The Cylinder Below Are All Discs Of The Same Radius.

True

What following figures have 12 edges

A cuboid or a cube has 12 edges, 6 faces and 8 vertices

Which of tge following have at least two congruent parallel bases

Cylinder, Cube, Prism.

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