Find the co-ordinate of the points obtained on rotating (-5.-7) through 90∘ anticlockwise direction about the origin.
A
(7,-5)
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
(7,5)
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
(-7,5)
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
(-5,7)
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is A (7,-5) Rotation of point P(x,y) through 90∘ (anticlockwise) about origin = P'(-y,x). So, the rotation of point P (-5,-7) through 90∘ (anticlockwise) about origin = P'(7,-5).