Determine Whether the Triangle Is a Right Triangle,an Isosceles Triangle,or $( 8,1,1 ) , ( 3 , - 6 , - 1 ) , ( 1 , - 1 , - 8 )$

Multiple Choice

Determine whether the triangle is a right triangle,an isosceles triangle,or neither. $( 8,1,1 ) , ( 3 , - 6 , - 1 ) , ( 1 , - 1 , - 8 )$

A) Neither Isosceles nor Right
B) Isosceles triangle
C) Right triangle
D) Right triangle and isosceles triangle