Question

calcule a distancia entre os seguintes pares de pontos

A) (2,1)e(-2,4)

B) (6,3)e(2,7)

Answer 1

D = √[(xb-xa)² + (yb-ya)²]

a)
√[(-2-2)²+(4-1)²]
√[(-4)²+(3)²]
√[16+9]
√25
5

b)
√[(2-6)²+(7-3)²]
√[(-4)²+(4)²]
√[16+16]
√32
4√2

=)