Sector area = 0.5 * r^2 * angle (in radians)
so:
16 pi = 0.5 * r^2 * (90*pi/180)
r^2 = 16 pi /(0.25 pi) = 64
r = 8
therefore it would be d
Answer:
wonderful
Step-by-step explanation:
a5= A1=7 an=2an1
an16
Answer: 8.79 is the answer to the question
0.8 is your answer please tell me if it's right.
Answer:
It underestimate because you guess under what a person or thing is capable of doing.
Step-by-step explanation: