Lines p and q are parallel.a. Which angle is an alternate interior angle to 2? b. If 2 measures 85, what are the measures of 6 and 7?

97909_FrontEP_FrontEP_pF2_RefPage1-2_97909_FrontEP_FrontEP_pF2_RefPage1- 2 9/24/10 5:36 PM Page 1 REFERENCE PAGE 1 ALGEBRA GEOMETRY Arithmetic Operations Geometric Formulas a c ad ▯ bc Formulas for area A, circumference C, and volume V: a共b ▯ c兲 苷 ab ▯ ac ▯ 苷 b d bd Triangle Circle Sector of Circle