A footballer kicks a ball into a goal post. The angle of elevation between the trajectory of the ball and the pitch is . The ball hits the top of the goal post at a height of 2.44 m. Find the horizontal distance between the footballer and the goal giving the answer to two decimal places.
A 90-foot tall building has a shadow that is 2 feet long. What is the angle of elevation of the sun?
A ladder is leaning against a wall where the upper end is 4.5 m high from the ground. The angle of inclination of the ladder to the ground is . Find the length of the ladder giving the answer to two decimal places.