5. Juma walked a distance of 1 kilometre and 300 metres from his home to a shop. He then walked further 0.85 kilometres to the stadium to greet his friend who was watching football. Calculate the total distance in metres Juma travelled.
22. An engineer finds that the angle of elevation of the top of a building from a point on the ground is 25°. She walks along a straight line 30 metres closer to the foot of the building and finds that the angle of elevation is 50°. Determine the height of the building. (Your answer should be correct to one decimal place)