makaylaferguson192 makaylaferguson192
  • 04-09-2019
  • Physics
contestada

stephen buys a new moped . he travels 4km south and then 6km east. how far does he need to go to get back where he started??

Respuesta :

joseaaronlara
joseaaronlara joseaaronlara
  • 04-09-2019

Answer:

My answer is 7.2 km

Explanation:

When Stephen goes to the south and then to the east, he is drawing a right triangle, where the 4 km and 6 km sides are the cathetus of a right triangle.

Then we use the Pithagorean theorem to solve this problem. We need to find the hypotenuse.

c² = a² + b²

c² = 4² + 6²

c² = 16 + 36

c² = 52

c = 7.2 km

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