Question
Question: If the three vertices of a rectangle taken in order are the points (2, –2), (8, 4) and (5, 7). The c...
If the three vertices of a rectangle taken in order are the points (2, –2), (8, 4) and (5, 7). The coordinates of the fourth vertex is-
A
(1, 1)
B
(1, – 1)
C
(–1, 1)
D
None of these
Answer
(–1, 1)
Explanation
Solution
D = A + C – B
D = (2 + 5 – 8, – 2 + 7 – 4)
D = (–1, 1)