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rodikova [14]
3 years ago
14

») What is the circumference of the rim of a basketball hoop with a radius of 9 inches? First, multiply the radius by__ to get t

he diameter__ inches. Then, multiply the diameter by 3.14 (an approximation for 1) to get a circumference of
about__ inches. ») Convince Me! If the diameter is doubled, what happens to the circumference? Explain.​
Mathematics
1 answer:
Lunna [17]3 years ago
8 0

Answer:

First, multiply the radius by 2 to get the diameter 18 inches. Then, multiply the diameter by 3.14 (an approximation for 1) to get a circumference of about 56.52 inches. If the diameter doubles the circumference doubles.

Step-by-step explanation:

18π = 56.52

36π = 113.04

56.52*2 = 113.04

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What is the arc length of the arc sub tended in a circle with radius 6 and an angle of 7 pi/ 8
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Answer:

Formula for the Arc length is given by:

\text{Arc length} = 2 \pi r \cdot \frac{\theta}{360^{\circ}}

As per the statement:

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Use conversion:

1 rad = \frac{180}{\pi}

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then;

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or

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Simplify:

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