Question

A distância entre do ponto P(1,3) a reta r.5x+12y-2=0 em centímetros será de?

Answer 1

Olá!!

Resolução!!

P ( 1, 3 ) e r : 5x + 12y - 2 = 0

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D = | ax + by + c |/√a² + b²
`````````````````````````````````````_______
D = | 5x + 12y - 2 |/√5² + 12²
`````````````````````````````````````````````_______
D = | 5 • 1 + 12 • 3 - 2 |/√25 + 144

D = | 5 + 36 - 2 |/√169

D = | 39 |/13

D = 39/13

D = 3 u. a × 100 → 300 cm

Espero ter ajudado!!