(1) What is the third angle of the triangle where one angle is 45 second angle is 45 ?

45 60 90 None of the Above

(2) If a triangle has an angle 90 degree, what is it called ?

Obtuse Acute Right None of the Above

(3) Which of the following triangles are always similar?

Obtuse triangle Isoceles triangle Right triangle Equilateral triangle

(4) The sides of a triangle are 7, 10, and 12. Find the length of the longest side of a similar triangle whose shortest side is 21.?

36 30 21 None of the Above

(5) A triangle having at least two equal sides

Obtuse triangle Isoceles triangle Right triangle Equilateral triangle