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ICSE Class 10 Answered

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Asked by siddharthjaiswal1122 | 25 Aug, 2018, 08:38: PM
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begin mathsize 16px style straight a space colon space straight b space equals space 2 space colon space 3 straight b space colon space straight c space equals space 4 space colon space 5 straight c space colon space straight d space equals 6 space colon space 7 straight L. straight C. straight M left parenthesis 3 comma space 5 comma space 7 right parenthesis space equals space 105 straight a over straight b equals space fraction numerator 2 cross times 35 over denominator 3 space cross times space 35 end fraction space equals space 70 over 105 straight b over straight c equals space 84 over 105 straight c over straight d equals space 90 over 105.... left parenthesis 1 right parenthesis In space the space last space ratio comma space we space have space straight c space as space 90. How space can space we space express space straight b over straight c space as space straight x over 90 ? rightwards double arrow 84 over 105 equals space straight x over 90 rightwards double arrow straight x space equals space 72 rightwards double arrow straight b over straight c equals space 72 over 90..... left parenthesis 2 right parenthesis We space have space space straight a over straight b equals space 70 over 105 rightwards double arrow space 70 over 105 equals space straight y over 72 rightwards double arrow straight y space equals space 48 rightwards double arrow straight a over straight b equals space 48 over 72.... left parenthesis 3 right parenthesis From space left parenthesis 1 right parenthesis comma space left parenthesis 2 right parenthesis space and space left parenthesis 3 right parenthesis straight a colon straight b colon straight c colon straight d space equals 48 colon 72 colon 90 colon 105 dividing space by space 3 straight a colon straight b colon straight c colon straight d space equals 16 colon 24 colon 30 colon 35 end style
Answered by Yasmeen Khan | 26 Aug, 2018, 10:39: AM

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