Answer:
The surface area increases by 4 times.
Explanation:
square root of 288 = 16.970562.... (= 1 side)
1 side(x2) = 33.941125...... (= double of the side)
New area = new side squared
(33.94111....) squared = 1,152 (new area)
1,152/288 = 4
new area is 4 times bigger
288 x4 = 1,152