Answers

2015-07-25T14:41:17+05:30
Given A=20 it means A=2.10 it means A=2.d(given d=10)
since A=2d or d=A/2


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2015-07-25T21:14:49+05:30
Ans is   A=2D  or D=1/2 A

plzzzzz mark as best


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