Question

10. How many circular shapes of diameter 0.7 cm can be cut from a rectangularsheet measuring 15.1 cm by 7.5 cm? What percentage of the sheet is wasted?​

Answer 1

Answer:

Step-by-step explanation:

radius of circle=diameter/2

                         =0.7/2

area of circle=πr²

                     =22/7*0.7/2*0.7/2

 area of sheet=length * breath

                        =15.1*7.5

no of circles=area of rectangle/ area of circle

                    = 294 circles

the wasted area is 12cm²