Question

Find the circumference of a circle whose diameter is 126 cm using =22/7






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Answer 1

Answer:

Step-by-step explanation:

Given diameter of wheel = 126 cm

      radius of wheel =  

2

126

​  

=63cm

then circumference of wheel =2πr

                           =63×2×π

            circumference  =126πcm

∴ In one reduction wheel cover 126πm distance

then  

Distance cover is 50 rounds =50×120π

                    Distance =7300π

             Total Distance covered =22.922cm

       Total Distance covered  by wheel =229.2m