2 years ago

What is the arc length of the crust of half of a pizza that is 6 inches in diameter? show all work

1 answer:

6 0

First, you find the circumference of the full pizza.
C=d * pi
C=6pi
Then you divide it by two, because it is half of a pizza.
C=3pi

Therefore, the arc length of the crust of half a pizza is 3pi inches.

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The distance between the two points is 5.4

Explanation:

The points are (-1,-9) and (1,-4)

The distance between the two points can be determined using the formula

$d=\sqrt{\left(x_{2}-x_{1}\right)^{2}+\left(y_{2}-y_{1}\right)^{2}}$

Substituting the values in the formula, we get,

$d=\sqrt{(1+1)^{2}+(-4+9)^{2}}$

Adding the values,

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Squaring the terms, we get,

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Simplifying, we have,

$d=\sqrt{29}=5.4$

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