TODAY IN GEOMETRY… STATs for Ch. 7 Test Learning Target : 8.1 Find angle measures in polygons Independent Practice Ch.7 RETAKES
HOW DID YOU “SHAPE” UP?? Results for ALL of my Geometry classes: GRADE NUMBER OF STUDENTS WHO TOOK THE CH.7 TEST (30 pts.) 1 ST PERIOD3 RD PERIOD5 TH PERIOD6 TH PERIODTOTAL A B C D04228 F Avg
THE NAMES OF SHAPES: Polygons are named by the number of given sides. NUMBER OF SIDESNAME OF POLYGON n TRIANGLE QUADRILATERAL PENTAGON HEXAGON HEPTAGON OCTAGON NONAGON DECAGON HENDECAGON DODECAGON n-GON
PRACTICE: Name the polygon according to the number of sides. 4-SIDES QUADRILATERAL 7-SIDES HEPTAGON 5-SIDES PENTAGON 10-SIDES DECAGON
INTERIOR ANGLES: angles inside the polygon
EXAMPLE: Find the sum of the interior angles of the hexagon below.
PRACTICE:
EXAMPLE: Find the value of x.
EXTERIOR ANGLES: angles outside the polygon
HOMEWORK #1: Pg.510: 3-16, 19, 24-26