a box is a cuboid with dimensions 26 by 15 by 20 cm measured to the nearest centimetre this cases are cuboid which measure 1.6 cm by 14.2 cm by 19.3 cm old measured to the nearest mm if the disc case is a status show so what it may not be possible for 16th cases to fit in the box

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?