2 years ago

what is the radius of a circle that has a sector area of 3pi cm squared and a central angle of 2pi/3 radians

Mathematics

2 answers:

tankabanditka [31]2 years ago

6 0

Answer:

r=3 cm

Step-by-step explanation:

In the attached file

cupoosta [38]2 years ago

6 0

Required radius is 3 cm

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Sari wrote the equivalent ratios below to convert cups to fluid ounces. StartFraction 8 fluid ounces Over 1 cup EndFraction = St

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Answer:

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Step-by-step explanation:

To convert cups to fluid ounces, Sari wrote the equivalent ratios.

$\dfrac{8 \text{ fluid ounces}}{1\text{ cup}} =\dfrac{\text{? fluid ounces}}{9\text{ cups}}$

Let the question mark be represented by x.

We then have:

$\dfrac{8 \text{ fluid ounces}}{1\text{ cup}} =\dfrac{\text{x fluid ounces}}{9\text{ cups}}\\$Cross multiply\\x \times 1 = 8 \times 9\\x=72$ fluid ounces$

We conclude that there are 72 fluid ounces in 9 cups.

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