Question

20. Find the distance between the points A(8,-3) and B (0,9) by using distance formula.​

Answer 1

Answer:

$4\sqrt{13}$ $units^{2}$

Step-by-step explanation:

by using distance formula :

AB = $\sqrt{(x_{2}-x_{1})^{2} +(y_{2}-y_{1})^{2} }$

     = $\sqrt{(0-8)^{2} + (9+3)^{2} }$

     = $\sqrt{64+144}$

     = $\sqrt{208}$

     = $4\sqrt{13}$ $units^{2}$

Answer 2

Answer:

14.422 UNITS

Step-by-step explanation:

DISTANCE FORMULA = √(X2-X1)² + )Y2-Y1)2

DISTANCE = √(0-8)² + (-3-9)²

DISTANCE = √64+144

DISTANCE = √208

DISTANCE = 14.422 UNITS