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aleksandr82 [10.1K]
3 years ago
14

The circumference of F is 120 cm what is the length of DE the minor arc

Mathematics
1 answer:
AfilCa [17]3 years ago
7 0

Answer:

Option E 15 cm

Step-by-step explanation:

we know that

The circumference of a circle subtends a central angle of 360 degrees

so

using proportion

Find out the length of arc DE by a central angle of 45 degrees

Let

x -----> the length of arc DE

\frac{120}{360}=\frac{x}{45}\\\\x=120*45/360\\\\x=15\ cm

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