How many square feet of hardwood flooring are required for the living room floor referred to in question 7? allow 15% for waste.

a. 256.83 sq ft
b. 3082 sq ft
c. 295.35 sq ft
d. 3432 sq ft

1. ∠1 is complementary to ∠2 and ∠3 is complementary to ∠2. subtraction property of equality 2. m∠1 + m∠2 = 90 and m∠3 + m∠2 = 90 substitution 3. m∠1 + m∠2 = m∠3 + m∠2 definition of complementary 4. m∠1 = m∠3 given