Answer:
Step-by-step explanation:
SA = 236
L = 8 cm
h = 6 cm
w = ?
Formula
2*L*w + 2*h * w + 2*L*h
Solution
2*8*w + 2* 6 * w + 2*8*6 = 236
16w + 12*w + 96 = 236 Combine
28w + 96 = 236 Subtract 96 from both sides.
28w = 236 - 96 Combine
28w = 140 Divide both sides by 28
w = 140/28
w = 5