Never,because obtuse angle is an angle measuring between 90 and 180
and if an angle measures 180 then it is a straight angle
Answer:
A
Step-by-step explanation:
Answer:
200 minutes
Step-by-step explanation:
$20/$0.10=200
The area of the entire sector is 
The area of the triangle OAB is
.
So, the area of the segment is 