contestada

The circumference of OFis 120 cm. What is the length of DE (the minor
arc)?
A. 15 cm
ОВ. 60 cm
Ос. 30 cm
оооооо
OD. 7.5 cm
E 480 cm
F. 12.5 cm

Respuesta :

Answer: 15

Step-by-step explanation:

Jadawall

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