SOLUTION: Danica Bianca attends a school which is 3 km east and 5 km south of their house. The plaza is 4 km west and 2 km north of the house. The streets in their neighborhood are laid out

Algebra ->  Pythagorean-theorem -> SOLUTION: Danica Bianca attends a school which is 3 km east and 5 km south of their house. The plaza is 4 km west and 2 km north of the house. The streets in their neighborhood are laid out       Log On


   

Question 389841: Danica Bianca attends a school which is 3 km east and 5 km south of their house. The plaza is 4 km west and 2 km north of the house. The streets in their neighborhood are laid out like a rectangular grid.How far is it from the school to the plaza?
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
Danica Bianca attends a school which is 3 km east and 5 km south of their house. The plaza is 4 km west and 2 km north of the house. The streets in their neighborhood are laid out like a rectangular grid.How far is it from the school to the plaza?
...
school which is 3 km east and 5 km south
the co=ordinates of the school = (3,-5)
...
The plaza is 4 km west and 2 km north of the house.
the co-ordinates of the plaza = (-4,+2)
..
distance between school & plaza = sqrt%28%282-%28-5%29%29%5E2%2B%28-4-3%29%5E2%29
=sqrt(49+49)
=sqrt(98)
=9.9 km
...
m.ananth@hotmail.ca