M L Aggarwal Solutions for Chapter: Introduction to Three Dimensional Geometry, Exercise 1: EXERCISE

Write the coordinates of the foot of perpendicular from the point $\left(3,-4,5\right)$ on the $XY-$plane.

Write the coordinate of the foot of perpendicular from the point $\left(3,-4,5\right)$ on the $YZ-$plane.

Write the coordinate of the foot of perpendicular from the point $\left(3,-4,5\right)$ on the $ZX-$plane.

Name the octant (in Roman numerals) in which $\left(-3,1,2\right)$ lie.

Name the octant (in Roman numerals) in which $\left(2,-1,-5\right)$ lie.

Name the octant (in Roman numerals) in which $\left(5,2,-3\right)$ lie.

Name the octant (in Roman numerals) in which $\left(-1,3,-2\right)$ lie.

In the figure below if the point $P$ is $\left(a,b,c\right)$, write the coordinates of the points $M,N,L,A,B$ and $C.$