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Vitek1552 [10]
2 years ago
7

2. What is the radius of a circle (rounded to the nearest tenth) that has a circumference of 87 cm?

Mathematics
1 answer:
ELEN [110]2 years ago
3 0

3.

A = pi x r^2

48 = 3.141... x r^2

÷ by value of pi

15.278... = r^2

Square root the ans, to get r

Thus, R = 3.908..... So, radius is 3.9

2.

Circumference = pi x diameter

87. = 3.141... x d

÷ by value of pi

27.692............. = diameter

Radius is twice the diameter. So, divide diameter by 2 to find the radius.

27.692.....÷ 2 = 13.846...

Thus, radius is 13.8cm

Hope this helps!

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Answer:

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Step-by-step explanation:

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The number of rounds that can be played is given by the product of three

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<h3>Response;</h3>
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A round is when the player with the most tokens gives one token to each of the other players, and one placed in the discard pile, we have;

<h3>First three round</h3>

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<h3>Fourteenth three rounds</h3>

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<h3>Fifteenth three rounds</h3>

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Learn more about number series here:

brainly.com/question/4163549

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What is the shortest board a man must buy in order to cut 3 sections from it, each 4 feet 8 inches long?
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