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Sphinxa [80]
3 years ago
15

The base of a pyramid has n sides write an expression for the number of faces of the pyramid

Mathematics
1 answer:
kumpel [21]3 years ago
6 0
A pyramid always have a number of slant triangles equal to the number of the sides of the base.

This means that a pyramid always have the number of face which is one more than the number of sides of the base.

Therefore, given that a pyramid has n number of sides of the base, the expression for the number of faces of the pyramid is given by

number of faces = n + 1.
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Goryan [66]

Answer:

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Step-by-step explanation:

Given data

We are given the expression

8-(6r+2)

let us expand it by opening the bracket

=8-6r-2

collect like terms

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rearrange

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Hence option A is correct

8 0
2 years ago
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Andreyy89

Answer:

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Step-by-step explanation:

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107/15+52/3+138/15

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Step-by-step explanation:

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