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What is an isosceles triangle with angles greater than 90?
In one triangle, there can only be one angle greater than 90 degrees. With that restriction, then the other two angles split the remaining 90 degrees between them. If the split is even, then the triangle is isosceles. There's nothing mysterious or special about it.
If you split a triangle in three will it still add up to 180 degrees?
each triangle formed from the first will have angles adding up to 180
Why is the greatest number or a right angles a triangle can have is one?
Draw a perpendicular line, then cross it with a horizontal line. Where the lines cross there are four right angles. Each angle measures 90 degrees and the total number of degrees is 360. By definition, any triangle will consist of a total of 180 degrees, no matter what the length of the legs. If the right angle consists of 90 degrees, then there cannot be another right angle in the triangle, because the 90 degrees still available must be split between the other two angles.
If n equals the number of sides in a polygon what equals the number of trianges within the polygon?
There can be no formula for the number of triangles within the polygon. Any triangle can be split into two by a line from one of the vertices to the opposite side. Thus the number of triangles can be increased by one by simply splitting one triangle. And then THAT triangle can be split in two, and the that one, ...
What of a triangle can split an angle of the triangle into two congruent parts?
a perpendicular line.
