Question 70459: Li went for a mountain-bike ride in a relatively-flat wooded area. she rode for 5 km in one direction, then turned around and peddled 3 km in another. finally she turned and rode 3 km in yet another direction. stopping, Li took out a map and drew her path. could Li be back at her starting point? Could her path be a right triangle?
Answer by ankor@dixie-net.com(22740)   (Show Source):
You can put this solution on YOUR website! Li went for a mountain-bike ride in a relatively-flat wooded area. she rode for 5 km in one direction, then turned around and peddled 3 km in another. finally she turned and rode 3 km in yet another direction. stopping, Li took out a map and drew her path. could Li be back at her starting point? Could her path be a right triangle?
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Yes she could be back if she drove a isosceles triangle of 5,3,3
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No: 3^2 + 3^2 does not equal 5^2
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