➔ 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?
➔ If a triangle has angles 135°, 15°, 30°. Is it an obtuse triangle?
➔ A triangle has angles 60°, 60°, 60°. Is it an equilateral triangle?
➔ The perimeter of an equilateral triangle is 15cm. What is the length of one side?