Question

In this coordinate plane, the slope of line a is equal to the opposite reciprocal of the slope of line b.

Answer 1

Blank 1:
`(k)/(m)`

Blank 2:
`-(k)/(n)`

Blank 3:
`(k)/(m)=(n)/(k)`

Blank 4:
`(KL)/(KM)=(KN)/(KL)`

Blank 5: SAS similarity theorem

Blank 6-9: The options are needed