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Priyanshi
Questions (2)
I = 3+4sin(wt +pi/3) what is the rms value ?
1 answer
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The cost of fencing a square field at Rs16 per m is Rs32000. Find the cost of ploughing the field at Rs25 per m square.
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a=13, b=13cm,c=10cs=a+b+c/2 =13+13+10/2 = 36/2= 18cm. Area of triangle∆= √s(s-a)(s-b)(s-c) =√18(18-13)(18-13)(18-10) =√18×5×5×8 =√3600 = 60cm^2 * R= a×b×c/4×Area of∆ = 13×13×10/ 4×60 = 7.02cm 【Ans】
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