This are similar answers to your questions.
Answer:
4cm
Step-by-step explanation:
the diameter is labelled as 8cm
radius is half of the diameter
Given:
Radius of the circle = 10 in
Central angle of the sector = 45 degrees
To find:
The area of the sector.
Solution:
Area of a sector is

Where,
is the central angle in degrees.
Putting r=10 and
, we get



Therefore, the area of the sector is 12.5π sq. inches.
Answer:
it might be the second one not sure
The answer is 67.93939393939394