A symmetric pyramidal tower needs a portion of its top layer repaired. The angle at which the tower meets the ground is 30°. The height of the tower is 20 meters. A piece that is 3 meters wide is to be repaired along the entire side of the
tower. What is the area to be repaired? Refer to image for reference.
Given the information provided in the question, a
()..tangent, cosine, sine,...is the most convenient to use. The area to be repaired is()130,120,40,20
square meters.