Of course, the main property of isosceles triangles is their two congruent sides. All isosceles triangles also have base angles that are congruent. Again, this property holds true for all isosceles triangles, no matter which direction their apex points.
In France, children start school at three years old (although it is not compulsory until six years old). A comparison between my daughter (educated in France) and her cousin (in the UK) at exactly 4 yrs 9 1/2 months old showed that a British education gives kids the tools they need to read and write much more quickly. Sarah, Apt, France
Germany's school system. School is compulsory for all children living in Germany. Children normally start to. attend school in the autumn of the year in which they turn 6. Compulsory. education usually lasts until the end of the school year in which the child reaches. the age of 18. The rules governing compulsory schooling vary from one German.