Question

an architect is planning a new town square. the square has sides that are 20 ft long. a walkway will also cut diagonally through the square. how long will the walkway be? round to the nearest tenth of a foot.

Answer 1

Use the Pythagorean Theorem.
\[A ^{2}+B ^{2} = C ^{2}\]
Substitute, and you get
sqrt (800).
28.284271247461900976033774484194

Answer 2

what is the squareroot of 800 rounded to the nearest tenth o a foot