Answer:
89 km
Step-by-step explanation:
a^2+b^2=c^2
80^2+39^2=c^2
6400+1521=c^2
7921=c^2
sqrt of 7921=89
Answer:
Step-by-step explanation:
Answer:
b. Segment Addition Postulate
Step-by-step explanation:
Since we're talking about distances along a line, the only answer choice that makes any sense is ...
Segment Addition Postulate