Question

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

Answer 1

E. 15

Explanation:

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Answer 2

Option E 15 cm

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

`(120)/(360)=(x)/(45)\\\\x=120*45/360\\\\x=15\ cm`