How is the key event in this paragraph illustrated?

Karl needs to build a stage that has an area of 72 square feet.the length of the stage should be longer than the width.what are the possible whole number measurements for the length and with of the stage complete the table with possible measurements of the stage

Which multiplicative property is being illustrated below? (type commutative, associative, or identity) 5 × 2 × 4 = 2 × 5 × 4

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?