Question

Find k if the distance between [k,0] and [0,2k] is 10 units

Answer 1

Answer:

k=√20

Step-by-step explanation:

distance between two points is d=√((x_2-x_1)²+(y_2-y_1)²)

10=√((0-k)²+(2k-0)²)

10=√(k²+4k²)

10=√(5k²)

100=5k²

k²=20

k=√20