CBSE Class 10 Answered
Join two points P(2,2) and Q(4,2) in a plane. Fixed the point P and rotate the line PQ in anti-Clockwise direction at an angle of 270 degree. Find the new coordinates of point Q. Also, Find the area formed by this figure.
Asked by venkat34 | 06 Jan, 2016, 11:27: PM
Expert Answer
Let the new coordinates of Point Q be Q'
Q' = (2,0).
We need to find the area formed by the points P, Q and Q', i.e, area of triangle PQQ'.
Hence, triangle PQQ' is a right angled triangle.
Also, we know that PQ = PQ' = 2 units
Answered by Kajal Gupta | 07 Jan, 2016, 12:27: PM
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