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

Cosine is adjacent/hypotenuse
The adjacent side to angle F is 60, and the hypotenuse is 61
Therfore, C) 60/61 would be the correct choice
hope this helps:)
Answer:
The expression provided will have 2 terms (B.)
Step-by-step explanation:
3x(x + 1) + x
+ 3x + x
+ 4x
I would say the answer is low, but not 100% sure.