Question

The diagram represents the cross-section of a
funnel AOB. The y-axis is its line of symmetry
and the unit of the scale on both axes is cm. The
coordinates of B are (8, 15).
(a) Find the coordinates of A.
(b) Find the length of OA.
(c) Find the equations of OA and OB.
(d) What is the relationship between the
gradients of OA and OB?
B(8,15)​

Answer 1

without diagram I can't help...