Unit 2 Quadrilaterals Name_______________ Date 10/5 10/6 10/7 Page 2 10/8 10/9 3 4 10/13 10/14 10/15 10/16 5 10/19 10/20 10/21 10/22 10/23 6 10/26 10/27 10/28 10/29 10/30 8 7 9 Topic Discover the sum of angles in a polygon Apply the sum of angles in a polygon Review Quiz Discover the relationship in the Quadrilateral family Discover properties of Trapezoids Discover properties of Isosceles Trapezoid Discover properties of right trapezoids Apply properties of Trapezoids Discover rules for Parallel lines cut by a transversal Apply parallel lines cut by transversal Review Quiz Discover properties of Parallelogram Apply properties of a parallelogram Discover properties of rectangles Apply properties of a rectangle Review Quiz Discover properties of a Rhombus Apply properties of a rhombus Discover rules about squares and apply Review Test 1 Polygons Definition: Regular shape_______________________________________________________ Fill in using the information obtained from your figure # of sides Name Sum of interior 3 4 5 6 7 8 9 10 n Example for a 15 sides figure Sum of all exterior angles: One exterior angle: One interior angle Sum of all interior angles: 2 one interior angle if regular one exterior angle if regular Sum of exterior angles Quadrilateral Family Tree Quadrilateral Trapezoid Kite Parallelogram 3 Trapezoids Properties of a Trapezoid: All properties of ____________ which are o ______ sides o All angles add to __________° ______ set of _________ sides are ____________ The other set of opposite sides are ____________ The angles between the set of parallel lines add to _________° Properties of an Isosceles Trapezoid: All properties of a ______________ (see above) The unknown sides are ______ in length The base angles are _________ _________ are equal in length Properties of a Right Trapezoid: All properties of a ________________ At least ______ _______ angle (which means there will be ______) 4 Parallel lines cut by a transversal Corresponding Angles are equal in measure _____________________________________ Alternate Interior Angles are equal in measure _____________________________________ Same Side Interior Angles are supplementary _____________________________________ Example 5 Parallelograms Properties of parallelograms All properties of _______________ which are o All properties of a ______________ o One set of sides ________________ o Angles in between those sides add to _______° The other set of sides that are unknown are now_______also o So those angles in between add to _________° Opposite sides are ________ in length Diagonals _________ each other Opposite angles are _________ to each other 6 Rectangle A Rectangle is a ___________ _________________ that is also an ____________ _________________! OR A Rectangle is a ________________________ that has _ right angle (which makes ______ of them _____°) Properties of a Rectangle All properties of a quadrilateral Both pairs of opposite sides are__________ Both pairs of opposite sides are _________ Both pairs of opposite angles are ________ Diagonals _________ each other Angles in between the _____ lines add to _______° Diagonals are_________ All angles are _________ 7 _________________ Rhombus A rhombus is a __________________ that has ______ sides _______ Properties of a Rhombus All properties of a quadrilateral Both pairs of opposite sides are__________ Both pairs of opposite sides are _________ Both pairs of opposite angles are ________ Diagonals _________ each other Angles in between the _____ lines add to _______° All side are __________ Diagonals form a ________ angle The diagonals _____________ the angles they join 8 _________________ Squares A square is a _________________ with a ________________ and a ________________ OR A square is a ________________ with ________ _________ equal OR A Square is a _____________ with __________ ___________ equal Properties of squares All properties of a quadrilateral Both pairs of opposite sides are__________ Both pairs of opposite sides are _________ Both pairs of opposite angles are ________ Diagonals _________ each other Angles in between the _____ lines add to _______° All side are __________ Diagonals form a ________ angle The diagonals __________ the angles they join Diagonals are________ All angles are _________ _________________ ____________ __________________ 9