Question

A cardbosrd of lenght 60 cm and breasth 15 have two circle each of radius 7cm have to be pasted.What is area of the cardboard
which is not covered by the circles

Answer 1

Length of the area not covered by circle = Total Area Of Cardboard - Area Covered by circles

= (length x width ) - $\pi$ x r^2

= (60 x 15) - {($\frac{22}{7}$) x  7 x 7 }

= 900 - 154

= 746cm^2

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Answer 2

Answer:

592cm.sq

Step-by-step explanation:

length of the rectangular cardboard=60 cm

breadth of the rectangular cardboard=15 cm

area of the rectangular cardboard=L*B

                                                       =60*15

                                                        = 900 cm.sq

radius of the small circles               =7cm

area of the circle                              =$\pi$*r*r                  

                                                          =22/7*7*7

                                                           =154 cm.sq

 area of one circle                            =154 cm.sq

  area of two circles                          =154*2

                                                             =308 cm.sq (since given in the question as TWO CIRCLES)  

area of the remaining  cardboard without the circles= area of rectangle-area of two circles

                                                             =900-308

                                                              = 592cm.sq

∴ the area of the cardboard which is not covered by the circles is 592cm.sq

I hope it is the correct answer and helps you . thank you