Task 1: Include full solutions to the following questions from the Check Your Understanding sections in this unit. Learning Activity and question number Question Learning A cylindrical metal container with a circular base is to hold Activity 6471' cm3 of water. Find the dimensions so that the amount 4.1, (surface area) of metal required is a minimum when the 3 container is an open cup Learning A kite 40 m above the ground moves horizontally at the rate Activity of 3 m/s. At what rate is the angle between the string and 4.2, the horizontal decreasing when 80 m of string has been let out? 4