In Fig. 12-34, O is the centre of a circle such that diameter AB=13 cm and AC=12 cm. BC is joined. Find the area of the shaded region.
86+(-28)+12+(-34) is equal to: -36 (b) 40 (c) 36 (d) -40
The direction ratios of the perpendicular from the origin to a plane are 12,-3,4 and the length of the perpendicular is 5. Find the equation of the plane.