Posted by Corie on Wednesday, February 6, 2013 at 10:44am.
A courtyard is shaped like a square with 250-ft-long sides. What is the distance from one corner of the courtyard to the opposite corner? Round to the nearest tenth.
can someone show me how to do this?
math - drwls, Wednesday, February 6, 2013 at 11:03am
The diagonal of a square is sqrt2 times the length of a side. You can prove that with the Pythagorean theorem.
Sqrt2 = 1.4142
250 x sqrt2 = 353.6
math - Corie, Wednesday, February 6, 2013 at 11:19am
thanks. could you show me how to do another one?
math - Ms. Sue, Wednesday, February 6, 2013 at 11:32am
Suppose each side of the square is 100 feet long.
Use the Pythagorean Theorem.
a^2 + b^2 = c^2
100^2 + 100^2 = c^2
1,000 + 1,000 = c^2
2,000 = c^2
44.72 = c
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