If A(3, 3), B(0, 0) and C(3, k) are the three vertices of an equilateral triangle ABC, then the value of k is
A. 2
B. –3
C. – 3
D. – 2
Answer:C
If A(3, 3), B(0, 0) and C(3, k) are the three vertices of an equilateral triangle ABC, then the value of k is
A. 2 B. –3 C. – 3 D. – 2