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german
3 years ago
12

The circumference of Fis 120 cm. What is the length of DË (the minor arc)?

Mathematics
1 answer:
Afina-wow [57]3 years ago
6 0

Answer:

15cm

Step-by-step explanation:

Let x be the arc circumference.

The circumference  of a circle usually subtends to 360°, that is, one complete revolution is 360°.

#Given the arc angle as 45° and the  circumference as 120cm, the arc circumference can be obtained as:

#Apply proportions to find x:

360\textdegree=120cm\\45\textdegree=x\\\\x=(120/360)\times 45\\\\x=15cm

Hence, the arc circumference is 15cm

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===============================================================

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