Angle b is acute angle, if any angle less than 90 degrees then it is called acute angleif more than 90 degrees then it is obtuse angleif it is equal to 90 degrees then it is right angled
No, Angle Angle Angle is not a proof that two triangles are congruent. It is only proof that they are similar.The shape of a triangle is based on its angle measures. Its size, however, is dependent...
Supplementary angles are angles that have a combined sum of 180 degrees.Usually its two angles. But I can imagine that the triangles three interior angles are supplementary since they also sum to 180...