Theorem 1 Flashcards
Theorem 1
if a parallelogram has a right angle, then it has four right angles and the parallelogram is a rectangle.
Theorem 2
The diagonals of a rectangle are congruent.
Theorem 3
The diagonal of a rhombus are perpendicular.
Theorem 4
Each diagonal of a rhombus bisects opposite angles.
Theorem 5
The segment that Joins the midpoints of two sides of a triangle is parallel to the third side and half as long.
Theorem 6
The median of a trapezoid is parallel to each base and it’s length is half the sum of the bares.
Theorem 7
The basic angles of an Isosceles trapezoid are congruent congruent.
Theorem 8
Opposite angles of an Isosceles trapezoid are supplementary.
Theorem 9
The diagonals of an Isosceles are congruent.
Theorem 10
In a Kite the perpendicular bisector
of atleast one diagonal is the other diagonal.
Theorem 11
The area of a kite is half the product of the lengths of its diagonal.
Formula = Area of Kite ROPE (DE) (PR)