Measure the angles of AABC. Then measure the angles of AA'B'C' when AA'B'C' coincides with the other three triangles. Record the measure of each angle in the table.

A ABC Measure ADEF Measure AGHI Measure AJKL
ZABC
ZDEF
ZGHI
ZIKL
ZDFE
ZGIH
ZACB
2K
ZEDF
ZBAC
ZHGI
ZKIL

Which point has an coordinates of (2,0) ? a

Solve these problems: 1.what is the perimeter of an equilateral triangle with sides measuring 6cm? 2. a regular pentagon has sides measuring 3.2 cm. what is its perimeter? 3. a regular decagon has sides of 3.5mm . what is it’s perimeter? 4. a regular octagon has a perimeter of 64cm. what is the length of one of the sides? 5. a regular hexagon has a perimeter of 72mm . what is the length of one of the sides? 6. what is the perimeter of a rhombus with sides measuring 11m?

Ef is a median of trapezoid abcd. the length of ab is 12, and the length of cd is 18. the length of bf is 4. what is the length of fc?