NCERT Example - Unit conversion - Area
Question: Show that 1 in^2 = 6.4516 cm^2. Then convert 10 in^2 to cm^2 and 161.29 cm^2 to in^2. Also find the area of an A4 sheet 21 cm by 29.7 cm.
Answer: 1 in^2 = 6.4516 cm^2; 10 in^2 = 64.516 cm^2; 161.29 cm^2 = 25 in^2; A4 ? 623.7 cm^2.
Full step-by-step NCERT solution with diagrams on Something by Zero.