Answer: 786 m^2
Step-by-Step Explanation:
Length (l) = 10 m
Width (w) = 7 m
Height (h) = 19 m
Surface Area = 2(lw + lh + wh)
Therefore,
=> 2(lw + lh + wh)
= 2(10 * 7 + 10 * 19 + 7 * 19)
= 2(70 + 190 + 133)
= 2(393)
= 2 * 393
=> 786
Surface Area = 786 m^2