2 years ago

A circle with circumference 20 has an arc with a 72 degrees central angle. What is the length of the arc?

1 answer:

7 0

Step-by-step explanation:

Length of arc

$= \frac{ \theta}{360 \degree} \times c \\ \\ = \frac{72 \degree}{360 \degree} \times 20\\ \\ = \frac{1}{5} \times 20 \\ \\ = 4 \: units \\$

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2 years ago

8_murik_8 [283]

Answer:

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Step-by-step explanation:

In pic

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3 years ago

Mashutka [201]

Answer:

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Step-by-step explanation:

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Doss [256]

Write the first ratio as 11/100 and set it equal to 22/n.

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2 years ago

LenKa [72]

Answer:

Step-by-step explanation:

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3 years ago