question_answer 1)

If area of tiangle is 35 sq. untis with vertices (2, –6), (5, 4) and (k, 4). Then k is (a) 12 (b) –2 (c) –12, –2 (d) 12, –2  

Answer:

Since area of triangle having vertices (2, ?6), (5, 4) and (k, 4) is 35 sq. units, we have                                          is true.