It would be ideal if each person could have his or her private office, but that is often unrealistic and extremely costly. Therefore, to create peace and harmony a few rules of etiquette should be observed.
The word isosceles is pronounced eye-sos-ell-ease with the emphasis on the 'sos'. It is any triangle that has two sides the same length. If all three sides are the same length it is called an equilateral triangle. Obviously all equilateral triangles also have all the properties of an isosceles triangle.
Yes, it is. An equilateral triangle has all its three sides equal to each other. An isosceles triangle has at least two equal sides. Thus, an equilateral triangle is a special case of an isosceles triangle (and hence it is isosceles as well).