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Learning Task 1
Write P in the blank if the statement is a postulate, D if it is a definition, and T if it is a theorem
1. A right angle measures 90 degrees
2. A regular polygon is a polygon that is both equilateral and equiangular
3. Adjacent angles are angles with a common side.
4. A polygon with congruent sides is an equilateral polygon.
5. Any two right angles are congruent.
6. An angle is the union of two distinct rays.
7. There are infinite number of points in one and only one line.
8. A plane contains at least three non-collinear points
9. If two points lie in a plane, then the line joining them lies in the plane.
10. If two planes intersect, then their intersection is a line.​