A right cone has a height of 40 cm and a radius of 6 cm. To the nearest square centimeter, what is the area of the cross section that is parallel to the base and 14 cm from the vertex of the cone? The area is cm2.

(c) the diagram shows the first three shapes of a matchsticks arrangement.first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.