Acylindrical swimming pool has a diameter of 16 feet and a height of 4 feet. about how many gallons of water can the pool contain? round your answer to the nearest whole number. (1 ft³ ≈ 7.5 gal)
to the nearest whole number, the pool can hold gallons of water.

Statements reasons 1. ab ? cd; ad ? bc 1. given 2. ac ? ac 2. reflexive property 3. ? adc ? ? cba 3. ? 4. ? dac ? ? bca; ? acd ? ? cab 4. cpctc 5. ? dac and ? bca are alt. int. ? s; ? acd and ? cab are alt. int. ? s 5. definition of alternate interior angles 6. ab ? cd; ad ? bc 6. converse of the alternate interior angles theorem 7. abcd is a parallelogram 7. definition of parallelogram what is the missing reason in step 3?