Question

find the distance between 0, 5 and -5.0

Answer 1

√[(5)^2+(5)^2] = 5√2

Answer 2

√[ (x2 -x1)² +(y2 -y1)²]

√[(-5-0)²+(0-5)²]

√[5² +5²]

√ 25 +25

√50

√(25×2)

5√2 units is the answer