Math, asked by shreya285, 1 year ago

area of a circular disc is 38.5 CM square find the circumference of the circular disc

Answers

Answered by Chandni66
3
ar of circular disc= pie X r sq.=38.5
                                       r sq. = 38.5 X pie 
                                       r sq. =38.5 X 3.14
                                       r sq. =120.89
                                            r  = 10.99 cm
circumference of circular disc. = 2 X pie X r
                                                 =2 X 22/7 X 10.99
                                                 =69 cm

shreya285: its wrong
Answered by Anonymous
7

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