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Rosetta Pollich

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2y ago
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Cards in this guide (16)
How many faces does a dodecahedron have

A dodecahedron has 12 regular pentagonal faces, 20 vertices, and 30 edges. Three faces meet at each vertex.

A geometric solid has only length and width

False...

The ratio of the lengths of corresponding parts in two similar solids is 21 What is the ratio of their surface areas

don't you mean 2:1 instead of 21. The answer is 4:1

4:1

Good luck with Apex :)

If the ratio between the radii of two spheres is 23 then what is the ratio of their volumes

Volume of a sphere of radius r: V = 4pi/3 x r3 If the ratio of the radii of two spheres is 23,

then the ratio of their volumes will be 233 = 1,2167

The bases for a cylinder must be parallel and congruent

Discs.

A right cylinder has a radius of 3 and a height of 12 What is its surface area

Total surface area is about 282.74 units2 (90 pi)

(Using pi = 3.14 gives the estimate 282.6)

SA = (pi 2r) x h + 2 (pi r2) = 72 pi + 2 (9 pi) = 90 pi


What is the volume of a cone with a radius of 4 and a height of 15

I can confirm that the answer is 251.33

What is the surface area of the right prism given below 8 15 10

275 units squared

What is a solid consisting of a polygon a point not in the same plane as the polygon and all points between them

pyramid

Which solid figure has two parallel bases that are congruent polygons and rectangular faces joining the bases

Prism!

Which expression gives the volume of a sphere with radius 15

Volume in cubic units = 4/3*pi*153

Which is a solid bounded by the set of all points at a given distance from a given point

A sphere is a solid bounded by the set of all points at a given distance from a given point.

How is each triglyceride different from the others

it has different fatty acids

What is the volume of the sphere shown below with a radius of 3

113.097336 units cubed.

The two cones below are similar. What is the height of the smaller cone

15/7 APEX

Can three dimensional figures be located on a Cartesian coordinate system

yes

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