5. What is the area of the circle on ne A. 15.7 m² B. 31.4 m² C. 78.5 m² D. 157 m² 6. Which cubic unit of measure is appropriate to be used in measuring the volume of a Math Book A. mm² B. cm³ C. dm³ D. m³ 7. Which volume is appropriate to be measured in cubic meter/m³? A. Volume of shoe box C. Volume of a match box B. Volume of a stock room D. Volume of an ice cube