Answer:
the surface area of planet = 268, 085, 664 km²
Explanation:
radius of sphere planet = 4620 km
surface area = ?
surface area of sphere = 4πr²
= 4 * 3.14 * (4620)²
= 4 * 3.14 * 21, 344, 400
= 268, 085, 664 km²
thus,
the surface area of planet = 268, 085, 664 km²