with geometry! By Ben(epic)jamin
.......................(and that is all you need to know about me)
Obtuse angles are MORE than 90 degrees.
Right angles are EXACTLY 90 degrees.
Straight angles are EXACTLY 180 degrees.
Watch these videos!
There are five quadrilaterals.
The rectangle has 2 pairs of congruent sides and 4 congruent angles.
The parallelogram has 2 pairs of parallel sides and 2 pairs of congruent angles.
The trapezoid has ONLY ONE PAIR of parallel sides and 2 pairs of congruent angles.
The rhombus has all congruent sides and opposite angles are congruent.
Classify missing angles!!!
Quadrilateral angles always add up to 360 degrees.