Answer:
12.6 units²
Explanation:
Since PX is a tangent to the circle then OP and PX are at right angles.
A ΔOPX = 12, thus
OP × PX = 12, that is
6OP = 12 ( divide both sides by 6)
OP = 2 ← radius of circle
Area of circle = πr² = π × 2² = 4π ≈ 12.6 units²