A simple quiz on triangles

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

45° 75° 90°

The perimeter of an equilateral triangle is 30cm. What is the length of one side?

25cm 10cm 15cm

There is a right triangle PQR where: angle Q = 90°; angle P = angle R. What is the measure of angles P and R?

45° 75° 90°

Is it possible for a triangle to have 2 right angles?

Yes No

Fun with triangles