Vaughn paints his porch floor and also the porch floors of 9 neighbors. Each floor is a rectangle that is 8.2 feet long and 6.7 feet wide. Which equations represent the best estimate of the total area of all the porch floors that Vaughn paints? A. 8 × 6 = 48; 48 × 9 = 432 square feet
B. 8 × 7 = 56; 56 × 10 = 560 square feet
C. 10 × 7 = 70; 70 × 10 = 700 square feet
D. 10 × 10 = 100; 100 × 9 = 900 square feet

Select the correct answer. given: ∆abc with prove: statement reason 1. given 2. ∠cab ≅ ∠edb ∠acb ≅ ∠deb if two parallel lines are cut by a transversal, the corresponding angles are congruent. 3. ∆abc ~ ∆dbe aa criterion for similarity 4. corresponding sides of similar triangles are proportional. 5. ab = ad + db cb = ce + eb segment addition 6. substitution property of equality 7. division 8. subtraction property of equality what is the missing statement in the proof? scroll down to see the entire proof.