with geometry! By Haley(epic)Hughes
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Acute, Obtuse, Right, and Straight
Obtuse angles are MORE than 90 degrees.
Right angles are EXACTLY 90 degrees.
Straight angles are EXACTLY 180 degrees.
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Classify missing angles!!
Quadrilateral angles always add up to 360 degrees.
There are 5 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 1 pair of parallel sides and 2 pairs of congruent sides.
The rhombus's sides are all congruent and and opposite angles are congruent.