Write the equation of the circle in standard form given its condition. Number 1, 2, and 5 only.

B. Write the equation of the circle in standard form given its conditions. 1. Center (1, 2) and radius 5 2. Center (-1, 4) and radius 2V3 3. Center at the origin and radius 3 4. Center at the origin and radius v5 5. Center (0, -5) and a diameter of 12