Triangle Quiz

What is the third angle for the triangle where angle1=45° and angle2=45°?



If a triangle has an angle of 90°,what is it called?



A triangle can have



Which of the following triangles are always similar?



The perimeter of scalene triangle with sides a, b, c is



If one angle of a triangle is obtuse, then which one of the following is the possible measure of remaining angles?



A scalene triangle has ___ lines of symmetry



Which of the following can form a right angled triangle?