1-What is the third angle of a triangle where angle1= 45 degree and angle2= 90 degree?
2-If a triangle has an angle of 90 degrees, what is it called?
3-If two sides of a triangles are same, what is it called?
4-if all the three sides of a 2 triangle is same, then what is it called?
5-If all the three angles of a pair of triangles are same, then can it be a concurrent triangle?