Area of the triangle is 9 square units then find the values of ‘a’ if the points are (a,a) (4,5) and (6,-1)

1 thought on “Area of the triangle is 9 square units then find the values of ‘a’ if the points are (a,a) (4,5) and (6,-1)”

1. Answer:

   a= -16 or -52

   Step-by-step explanation:

   By the problem,

   1/2 | a{5-(-1)} +4(-1-a)+6(a-5) | = 9

   => |6a-4-a+6a-30|=18

   => -a-34= +18,-18

   =>a= (-34+18) , (-34-18)

   =>a= -16 or -52

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