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Alenkasestr [34]
3 years ago
13

I need some help on these two questions.

Mathematics
1 answer:
Thepotemich [5.8K]3 years ago
4 0

Answer:

see explanation

Step-by-step explanation:

The length of the arcs are calculated as

arc = circumference of circle × fraction of circle

(13)

arc = 2πr ×\frac{72}{360}

      = 2π × 25 × \frac{1}{5} = 10π units

(14)

arc = 2π × 2 × \frac{270}{360}

      = 4π × \frac{3}{4} = 3π units

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