Determine the perimeter of the right triangle shown.

right triangle with vertices at negative 6 comma 8, negative 6 comma negative 1, and 6 comma negative 1

6 units
15 units
21 units
36 units

Determine the perimeter of the right triangle shown right triangle with vertices at negative 6 comma 8 negative 6 comma negative 1 and 6 comma negative 1 6 unit class=