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

45° 90° 60°

2. If a triangle has an angle of 90 degrees, what is it called?

obtuse Acute Right angled

3. How many sides a triange have ?

2 3 4

4. Triangle whose all side are unequal?

scalene isoceles equilateral