Step-by-step explanation:
Equation for circle centered at origin:
x² + y² = r².
Therefore r² = (-4)² + (-2)² = 20, r = √20.
Hence d = 2r = 2√20 = 8.94 (2d.p.)
Answer:
The Answer is B.
Step-by-step explanation:
Answer:
es la B square root of 36/6
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Answer:
D
Step-by-step explanation:
