The central angle of one of the isosceles triangles which build a regular polygon is . Thenumber of vertices is

The diagonal in a rectangular box with the edges a, b and c isQ2- Find the height of a rectangular box of length 8cm, width 6cm where the length of diagnol is 11cm.

You are dealing with an isosceles right triangle where the hypotenuse is 120 km long. Calculate the length of the legs.Q3- An aircraft flies equal distance South-East and then South-West to finish 120km due South of its starting point. How long is each part of its journey.

Height h, radius r and slant height s of a cone form a right triangle such thatQ4- A cone has base radius 5cm and slant height 11cm. Find the vertical height.