3. What change needs to be made to change a parallelogram into a rhombus? a. Make a rectangle. b. Make the sides all unequal c. Make two sides not parallel d. Make all four sides equal length, 4. What change needs to be made to a rectangle to make it a square? a. Change all angles to right angles. b. Make all four angles equal c. Make all four sides of equal length d. Change two angles to right angles 5. A cube has edge lengths of 6.4 cm. What is the surface area of the cube? a. 41.0 cm b. 245.8 cm c. 262.1 cm d. 38.4 cm 6. A quadrilateral has three angle measures of 97 54*, and 137. What is the measure of the fourth angle? a. 162 b. 36 c. 252 d 72