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?
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school which is 3 km east and 5 km south
the co=ordinates of the school = (3,-5)
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The plaza is 4 km west and 2 km north of the house.
the co-ordinates of the plaza = (-4,+2)
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distance between school & plaza = {{{sqrt((2-(-5))^2+(-4-3)^2)}}}
=sqrt(49+49)
=sqrt(98)
=9.9 km
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