But most really big medieval churches in Europe are cathedrals. Most famous medieval cathedrals are in Europe (where the Christians were), and they were built between about 1000 and 1600 AD, during the Middle Ages. There are cathedrals all over Europe, in Spain, in England, in France, in Germany, and in Italy.
Problem Solving. Medians and Altitudes of Triangles. 1. The diagram shows the coordinates of the. vertices of a triangular patio umbrella. The. umbrella will rest on a pole that will support it. Where should the pole be attached so that the.
The centroid lies on the Euler line and Nagel line. The centroid of the perimeter of a triangle is the triangle's Spieker center (Johnson 1929, p. 249). The symmedian point of a triangle is the centroid of its pedal triangle (Honsberger 1995, pp. 72-74).