Answer:
B. and D. is the answer.
Step-by-step explanation:
The area of a circle is :A= π r² r : the radius
A= 8π square units
so : π r² = 8π
r² = 8
r = √8 = √(4 × 2) =√4×√2
r = 2√2 units
130m
120 squared + 50 squared
square root of 16900
130
(meters)
130 meters :)
