# Altitudes - Page 11

Questions

- A pentagon is a polygon with how many sides?
- The altitude of an equilateral triangle is 12 centimeters. What is the perimeter of the triangle?
- A plane loses power at 10,000 feet. It descends at a #3^@# angle of descent. The pilot will need to make an emergency landing in a field. What's the furthest distance the pilot can look for a field to land in?
- How many faces does a pentagonal pyramid have?
- The altitude of an equilateral triangle is 18 inches. What is the length of a side?
- Can an altitude of a triangle also be a median o f the triangle?
- Triangle ABC has vertices (6,2), (-4, 4) and (-1,8) respectively. What is the equation of the altitude BD? What is the equation of the median CE?
- Are there analogues of any of the Platonic solids in higher dimensions?
- In the following figure, name the hypotenuse, adjacent side and opposite side?
- If in a #DeltaABC#, #b^2+c^2<a^2#, what can we say about the triangle?