Answer:
Ancient cultural artifacts and historical buildings were destroyed.
11.7
Step-by-step explanation:
A^2+b^2=c^2
x^2+15^2=19^2
I believe the answer is B
19.1628873772
50.70500 ÷ 2.64600 = 19.1628873772
4+3 squared 3 equals 9.19 and 4-3 squared 3 equals -1.19