Homework Help: Pre-Calc

Posted by Kali on Tuesday, May 4, 2010 at 11:02pm.

Tee Ball is similar to baseball, but the field is a diamond 40 ft square. The pitchers mound is positioned 25 ft from homeplate. Determine the distance from the pitchers mound to 3rd base.

Pre-Calc - Damon, Wednesday, May 5, 2010 at 4:35am
Triangle sides 40 and 25 and included angle = 45 degrees. We want the side opposite the 45 degree angle
c^2 = a^2+b^2 - 2ab cos 45
c^2 = 40^2 + 25^2 - 2*40*25 (sqrt 2/2)
c^2 = 1600+625-1414 =810
c=28.5

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