Question

there are 10 points on a plan where are four of them are collinear when the points are joined then how many Triangles and straight line would be produced

Answer 1

a rectangle plot of land his dimension 40 × 30 there are 5 square flower beads each of side 2.5 m find the area of the remaining plot also find the cost of ploughing five flower beads at the rate of rupees 25 per metre