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question iis in image
….....................................................?

manthan , 7 Years ago
Grade 7
anser 1 Answers
Saurav
b at end =1/2 b at interior=1/2 b
idl(b/2)=2tsin(theta)
dl=r(2dtheta)
t=bir/2
thats it 
was a preety simple question
i wish i could addd an image
please approve
 
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Last Activity: 7 Years ago
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