5. Two men start at the same point. They each walk 4 meters in opposite directions, do a left face, and walk three more. How far apart are they?10. They form two right triangles. Pythagorean theorem. A squared + B squared = C squared. Or, you could use the 3-4-5 triangle method, invented by the egyptians to plant straight rows of corn. How many of you thought to use the easier, second method?
The 3-4-5 method is the Pythagorean theorem - 3 squared plus 4 squared = 5 squared. (9 + 16 = 25).
