Find the circumference of a circle whose area is 452.16 square meters. (use 3.1416 as the value of π.) a. 24 meters b. 37.6992 meters c. 12 meters d. 75.3984 meters

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9

Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25