5.1
The sum of the measures of the five interior angles of any pentagon is 540.
What is the Pentagon Sum Conjecture?
For any polygon, the sum of the measures of a set of exterior angles is 360.
What is the Exterior Angle Sum Conjecture?
The non-vertex angles of a kite are congruent.
What is the Kite Angles Conjecture?
The opposite sides of a parallelogram are congruent.
What is the Parallelogram Opposite Sides Conjecture?
If two parallel lines are intersected by a second pair of parallel lines that are the same distance apart as the first pair, then the parallelogram formed is a rhombus.
What is the Double-Edged Straightedge Conjecture?
A polygon that has ten sides.
What is decagon?
All polygons have an exterior angle sum of _____.
What polygons have an exterior angle sum of 360?
The diagonal connecting the vertex angles of a kite is theof the other diagonal.
What is the Kite Diagonal Bisector Conjecture?
Yes, the ____ of a parallelogram bisect each other.
Do the diagonals of a parallelogram bisect each other?
All sides are congruent and the opposite angles are congruent. (Hint: not a square.)
What is a rhombus?
The sum of the measures of the n interior angles of an n-gon is (n-2)*180.
What is the Polygon Sum Conjecture?
The formula _____ helps you find the measure of each interior angle of an equiangular n-gon by using this formula.
What does the 180(n-2)/n formula help you find?
The base angles of an isosceles trapezoid are congruent.
What is the Isosceles Trapezoid Conjecture?
The consecutive angles of a parallelogram are supplementary.
What is the Parallelogram Consecutive Angles Conjecture?
The diagonals of a rhombus bisect the angles of the rhombus.
What is the Rhombus Angles Conjecture?
The sum of the measures of the five interior angles of any quadrilateral is 360.
What is the quadrilateral sum conjecture.
You can find the measure of each interior angle of an equiangular n-gon by using either of these formulas: 180(n-2)/n or 180-360/n.
What is the Equiangular Polygon Conjecture?
The _____ angle is bisected by a diagonal.
What is the vertex angle bisected by?
The opposite angles of a parallelogram are congruent.
What is the Parallelogram Opposite Angles Conjecture?
The diagonals of a rectangle are congruent and bisect each other.
What is the Rectangle Diagonals Conjecture?
A(n) ______ has a internal angle measurement of 1620.
How many degrees does the internal angles of a hendecagon (also known as undecagon) add to?
This regular polygon has each internal angle have the measurement of 144.
What does each angle measure on a regular decagon?
The diagonals of an isosceles trapezoid are congruent.
What is the Isosceles Trapezoid Diagonals Conjecture?
The ___ divides a parallelogram into two congruent triangles.
What is special about a diagonal in a parallelogram?
The diagonals of a square are, congruent, perpendicular bisectors and angle bisectors.
What it the Square Diagonals Conjecture?