Trace the copy of set squares(Geometry box) on a paper and mark the perpendicular edges.

Trace the copy of set suares(Geometry box) on a paper and mark the perpendicular edges.

A box without lid having maximum volume is made out of square metel sheet of edge 60 cms by cutting equal square pieces from the four corners and turing up the projecting pieces to make the sides of the box . The height of the box is

Which of the following are models of parallel lines, perpendicular lines. i) Railway tracks. ii) Opposite edges of black board, iii) Adjacent sides of paper.

A box is made from a piece of metal sheet 24 cms square by cutting equal small squares from each corner and traning up the edges If the volume of the box is maximum then then the dimensions of the box are

Cards marked with numbers 13,14,15…………,60 are placed in a box and mixed throughly. One card is drawn at random from the box. Find the probability that number on the card drawn is a perfect square.