Question
Question: Three vertices of a parallelogram taken in order are (–1, –6), (2, –5) and (7, 2) The fourth vertex ...
Three vertices of a parallelogram taken in order are (–1, –6), (2, –5) and (7, 2) The fourth vertex is –
A
(1, 4)
B
(4, 1)
C
(1, 1)
D
(4, 4)
Answer
(4, 1)
Explanation
Solution
D = A + C – B
(x, y) = (–1 + 7 – 2, – 6 + 2 + 5)
= (4, 1)