Types of Angles
: Opposite sides are congruent : All 4 angles are right angles
: Opposite sides parallel : All sides congruent : Opposite angles are congruent
: Opposite sides congruent : Opposite angles congruent : Opposite sides parallel
Finding Missing Angles for Quadrilaterals
If a,d is 105 and 75 degrees the other sides of the trapezoid would be the same and it would add up to 360 degrees
Types of Triangles
: 3 congruent angles : 3 congruent sides
: 2 congruent sides : 2 congruent angles
: 0 congruent sides : 0 congruent angles
Finding Missing Angles for a Trigales
The other angles have to be the same congruent.
1. subtract 50 by 180 and you get 130
2. divide 130 by 2 and you get your answer witch is 65 degrees.