Josie spots her brother Dan from the roof of a block of flats. The angle depression from Josie to Dan is 45 degrees. The distance from Josie directly to Dan is 80 metres. Calculate the height of the block of flats. Give your answer correct to 2 decimal places.

Acylinder with a base diameter of x units has a volume of jxcubic units which statements about the cylinder are true? check all that apply. the radius of the cylinder is 2 x units. the radius of the cylinder is 2x units. the area of the cylinder's base is 200 square units. the area of the cylinder's base is a square units. the height of the cylinder is 2x units. the height of the cylinder is 4x units. mark this and return save and exit next submit