A copper wire is bent in the shape of a square of area 81 cm2. If the same wire is bent in the form of a semicircle, the radius (in cm) of the semicircle is (take π=22/7 )
(A) 126
(B) 14
(C) 10
(D) 7
Show Answer
Related categories
Geography GK Quiz with Answers
English Grammar Quiz and Answers for Competitive Exams
GK Questions Quiz with Answers for SSC Exams
Indian Economics GK Quiz for SSC Exams
Science GK Quiz for SSC Exams
English Grammar Quiz for SSC Exams
Geography GK Quiz for Competitive Exams
Top History Questions for Competitive Exams
General Science Quiz with Answers
Indian Polity GK for SSC Exams
Get the Examsbook Prep App Today