Acute Scalene Triangle

All angles are different and less than 90 degrees

Equilateral Triangles

All sides are equal

These two triangles are congruent by AAS

triangle ABC is congruent to FED

Angle ABC is to Angle FED

Conditional Powerpoint

solved this angle by adding together angle 2x-11 and angle 51 and = to 90 because the whole angle equals