Question

determine a distancia entre os pontos P=(1,8) e Q= (-3,5)

Answer 1

DAB²=(XA-XB)²+(YA-YB)²
DAB²=(1+3)²+(8-5)²
DAB²=4²+3²
DAB²=16+9
DAB=√25
DAB=5 .
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att:jhonny