751,447 rounds to 800,000, because it has if you have 5 or over you round up. As for 817,245 it rounds to 800,000, because if you have 4 or less then you round down.
Answer:
n-2
Step-by-step explanation:
N sides polygon has n-2 triangles
160.60 this is the answer
for 7 i believe its D
yes
