1. It is necessary to lower the perpendicular С1Н to the straight line СD1. 2. The segment С1Н is perpendicular to any straight line passing through the point
To solve this problem, remember, in order to find how many percent one number is from another, you need to find the quotient of these numbers, and then
1. For the first time in the world of the ancient army of the Assyrians, their main force concentrated in the cavalry 2. Technique for crossing water obstacles.
In fact, there is no exact definition of when a person appeared. Scientists today argue about this. One thing is clear that “Homo sapiens” appeared about 50 thousand