Mathematics: A circle with circumference 20 has an arc at 72 central angle. what is the length of the arc

A circle with circumference 20 has an arc at - id20726925310, sofiakeogh1487

Ответ:

loveoneonly9153

29.01.2022

4 units

Step-by-step explanation:

$\because \: l = \frac{ \theta}{360 \degree} \times c \\ \\ \therefore \: l = \frac{72 \degree}{360 \degree} \times 20 \\ \\ \therefore \: l = \frac{72 \degree}{18\degree} \\ \\ \therefore \: l = 4 \: units$

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Ответ:

xxtonixwilsonxx

15.07.2021

Mathematics

80%

Step-by-step explanation:

=20/25 x 100

= 4/5 x 100

=4 x 20

= 80%

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A circle with circumference 20 has an arc at 72 central angle. what is the length of the arc

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