Steps are given to determine the centre of curvature at a given point on an Ellipse. Arrange the steps. Let P be the given point on the conic and F and F1 are the foci. i. Produce F1G to H so that GH = VF. Join H with F. ii. Then O is the required centre of curvature. iii. Draw a line GO parallel to HF and intersecting the axis at O. iv. Draw a line F1G inclines to the axis and equal to VF1.

Steps are given to determine the centre of curvature at a given point

1.	Steps are given to determine the centre of curvature at a given point on an Ellipse. Arrange the steps. Let P be the given point on the conic and F and F1 are the foci. i. Produce F1G to H so that GH = VF. Join H with F. ii. Then O is the required centre of curvature. iii. Draw a line GO parallel to HF and intersecting the axis at O. iv. Draw a line F1G inclines to the axis and equal to VF1.
A.	i, iv, ii, iii
B.	iv, i, iii, ii
C.	iii, i, iv, ii
D.	ii, iv, i, iii
Answer» C. iii, i, iv, ii

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