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jonny [76]
4 years ago
13

The radius of a semicircle is extended by 6 inches.how does the measure of the semicircles arc length change?

Mathematics
1 answer:
vivado [14]4 years ago
7 0
Let x be the original radius.  Given that a semicircle will have an arc length of half of a circumference and C=2pr, the arc length will be just pr.

Now the difference of arc is then going to be:

p(6+x)-px

p(6+x-x)

6p inches

So the arc will be 6p inches longer.  Or if you wish to approximate...

≈18.85 inches
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In triangle ABC, AB measures 25 cm and AC measures 35 cm. The inequality < s < represents the possible third side length o
aleksandr82 [10.1K]

Answer:

The inequality 10 < s < 60 represents the possible third side length of the triangle, s in centimeters.

The inequality 70 < p < 120 represents the possible values for the perimeter p, of the triangle in centimeters.

Step-by-step explanation:

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Second one. I'm assuming it's just the sum of the two numbers to the first answer, and the second number is just the second number from the previous one, but multiplied by 2. Sorry that I couldn't go into too much detail about this one

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3 years ago
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Answer:

D=(-infinity, +infinity)

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Visualize or draw a rough picture of that because that is all you need to answer this question.

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