lb7lShe1llabegrovero lb7lShe1llabegrovero
  • 03-12-2016
  • Mathematics
contestada

a boy travels 15 km due north,then goes 9 km due east,then 3km due south.how far is he from his starting point

Respuesta :

MonsieurPengu
MonsieurPengu MonsieurPengu
  • 03-12-2016
When you walk in a direction and later walk opposite, you can substract both. So
15-3= 12km. Now we use Pythagoras. a2+b2=c2, c being the
hypotenuse. 144+81= 225. Sqrt this and you get 15 km.
Answer Link

Otras preguntas

Which achievement was Giovanni Caboto, also known as John Cabot, known for? A. He reached North America before Columbus but was unable to prove that he had foun
Why earth isn't getting bigger even though the continents are spreading apart
What are all of the powers of 3 between 3 and 1,000?
What are all of the powers of 3 between 3 and 1,000?
how many different gametes can an RRYy parent form?
what are the equivalent fractions to 20/24
radius: 12 diameter: 24 inches circumference: area:
How to differentiate y=x^ln7 ?
Name two different numbers that round to 8.21 when rounded to the nearest hundredth
Guest at a pizza party are seated at three tables. The small table has 5 seats and 2 pizzas. The medium table has 7 seats and 3 pizza. The large table has 12 se