Westonci.ca is the premier destination for reliable answers to your questions, provided by a community of experts. Experience the ease of finding reliable answers to your questions from a vast community of knowledgeable experts. Experience the convenience of finding accurate answers to your questions from knowledgeable experts on our platform.


28. What is the radius of a circle whose equation is x² + y² = 4
A. 2 unit
B. 4 unit
C. √2 unit
D. 8 unit