CBSE Class 7 Answered
B(9, 5).
10. If P (a, b), A ( a + 3 b + 4 ) , R(a - 1) b + 7 ) are three vertices of a parallelogram PQRS.
Find the coordinates of S.
Asked by shaikajeema999 | 10 May, 2024, 01:13: PM
Expert Answer
Let the coordinates of S be (x, y).
Since PQRS is a parallelogram, its diagonals PR and QS bisect each other.
Therefore, the midpoint of PR = Midpoint of QS
Therefore, the coordinates of S are (a - 4, b + 3).
Answered by Rashmi Khot | 15 May, 2024, 11:25: AM
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