You decide to paint a really big circle on your driveway in 3 different colors: red, blue and orange. Each color is going to take up the same amount of space. If the circumference of the circle is 80 ft, how many square feet of the circle will be painted orange? Round all answers to the nearest thousandths

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?