The third side is 4
So Pythagorean's theorem is the following

From here we can input the following information that we know

97 rounds up to 100
78 rounds up to 80
100x80= 8,000
estimate=8,000
97x78=7,566
product=7,566
Answer:
a. two column proof
Step-by-step explanation:
This is a two column proof, for 2 columns are given to you.
One column is the "Statements" column, which lists everything in mathematical terms.
The other column is the "Reasons" column, which lists everything by definition (either Theorem, Postulate, or Definition).
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Answer:
they would have traveled 124.1 meters. If you start at 0 elevation (ground level) and you go all the way down then the maximum lowest point he can get to is 124.1m.
0.3 + 0.02 + 0.006
AND
Three tenths and twenty six thousandths