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3 years ago

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A polyhedron has 7 faces and 10 vertices. How many edges does it have

1 answer:

Serjik [45]3 years ago

5 0

$EULER'S \: \: \: FORMULA \: - \\ \\ \\ For \: any \: convex \: polyhedron \: , \: the \: \\ number \: of \: vertices \: and \: faces \: \\ together \: is \: exactly \: two \: more \: than \\ \: the \: number \: of \: edges. \: \\ \\ Symbolically \: , \\ V-E+F=2 \\ \\ Here \: , \: F=7 \: \: and \: \: V=10 \\ \\ We've \: \: to \: \: find \: \: E \\ Using \: \: Euler's \: \: Formula \: \: , \\ \\ 10 - E + 7 = 2 \\ \\ \\ E \: = \: 15 \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: Ans.$

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Solve the inequality –1 > –2(x – 4) – 5(4x – 7).

Ksivusya [100]

Answer:

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Step-by-step explanation:

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$- 1 - 43 > - 22x$

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3 years ago

The radius of a sphere with a surface area of 36pi square meters

Marysya12 [62]

Answer:

Step-by-step explanation:

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3 years ago

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jok3333 [9.3K]

Answer:

240minutes

Step-by-step explanation:

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2 years ago

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djyliett [7]

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2 years ago

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masha68 [24]

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Step-by-step explanation:

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2 years ago

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