3 years ago

Find the number of faces, edges, and veritces of the solid

1 answer:

7 0

This is probably wrong, but from what I know, there are 16 vertices, 24 edges, and 10 faces. I’m not sure if this is wrong, but I did some math and some research, and this is what I got.

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A rectangle has a width of 9 km and a length of 6 km. How does the area change when each dimension is multiplied by 3?

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For this case we have that by definition the area of a rectangle is given by:

$A = wl$

Where

<em>w: width of the rectangle </em>
<em>l: length of the rectangle </em>

The area of the original rectangle is given by:

$A1 = (9) (6)\\A1 = 54$

The area of the new rectangle is given by:

$A2 = (3 * 9) (3 * 6)\\A2 = 9 * (9) (6)\\A2 = 9 * 54\\A2 = 9 * A1$

Therefore, the original area increases with a factor of 9.

Anwer:

the original area increases by a factor of 9.

$A2 = 9 * A1$

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2(2x+3)+2x=27

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Sum of the interior angles of any triangle is 180° .

Thus ;

$y + 48° + 90° = 180°$

$y + 138° = 180°$

Subtract sides 138°

$y + 138° - 138° = 180° - 138° \\$

$y = 42°$

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3 years ago

Find the number of faces, edges, and veritces of the solid​

Find the number of faces, edges, and veritces of the solid