Download Unit 5 * Triangles

GEOMETRY Properties of Quadrilaterals
Unit 7, Quadrilaterals
Name _______________________________
Date _________________ Period _________
Properties of Quadrilaterals
Directions: For each section, use the indicated GeoGebra applet, along with the Word Bank,
to fill in the blanks below.
adjacent
bisect(s)
Word Bank (you will use some words more than once)
congruent
parallel
supplementary
perpendicular
right
yes
no
7-2 Parallelograms – A parallelogram is a quadrilateral with both pairs of opposite sides _____________.
Use the GG-Parallelogram applet to complete these conjectures about parallelograms:
Parallelogram Conjecture #1: Opposite sides of a parallelogram are ____________________.
Parallelogram Conjecture #2: Opposite angles of a parallelogram are ____________________.
Parallelogram Conjecture #3: Consecutive angles of a parallelogram are __________________.
Parallelogram Conjecture #4: The diagonals of a parallelogram ____________ each other.
7-3 Rectangles – A rectangle is a parallelogram with four ______________ angles.
Use the GG-Rectangles applet to complete this conjecture about rectangles:
Rectangle Conjecture #1: The diagonals of a rectangle are _________________.
7-4 Squares and Rhombi
A rhombus is a parallelogram with four ____________ sides.
Use the GG-Rhombi applet to complete these conjectures about rhombi:
Rhombus Conjecture #1: The diagonals of a rhombus are ____________________ (Hint: Look
at where the diagonals intersect.)
Rhombus Conjecture #1: Each diagonal of a rhombus _____________ a pair of opposite angles.
7-5 Kites
A kite is a quadrilateral with two pairs of _____________, ______________ sides.
Draw a picture of a kite in the box to the right. Label the
congruent sides with hash marks
Use the GG-Kites applet to answer these questions about kites:
Are the diagonals always perpendicular? _______
Do both diagonals bisect a pair of opposite angles? ________
Do the diagonals bisect each other? ________