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murzikaleks [220]
3 years ago
6

Select all that apply.

Mathematics
1 answer:
Mila [183]3 years ago
3 0

First we need to have same units before comparing them. That is, either both of them are in cm or both of them are in mm. So if we need to convert 12.5 cm to mm, we know that 1 cm =10 mm. So we have to find out how many mm are in 12.5 cm. And let 12.5 cm =x mm. So to find the value of x , we set a proportion and solve for x. That is

\frac{1cm}{10mm}=\frac{12.5cm}{x mm}

The units cancel out and we do cross multiplication. That is

1*x =12.5*10

x=125

So 12.5 cm =125 mm. Therefore the correct proportion is C.

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Answer:

vertices (V) = 6, faces (F) = 12 and edges (E) = 16

Step-by-step explanation:

A polyhedron is a three-dimensional shape with straight edges and flat faces and sharp corners.The point where the faces of a polyhedron meet each other is known as the edge while the corners of the polyhedron is known as the vertices.

Euler formula gives the relationship between the number of vertices (V), faces (F) and edges (E) of a polyhedron. This formula is given as:

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Given that:

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Substituting into the Euler formula:

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