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ગણિત ધોરણ 9 દ્વિતીય સત્ર

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ગણિત

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ચતુષ્કોણ
bold square bold space bold PQRSમાં જો bold m bold space bold angle bold space bold P bold space bold equals bold space bold 2 bold x bold comma bold space bold m bold space bold angle bold space bold Q bold space bold equals bold space bold 3 bold x bold comma bold space bold m bold space bold angle bold space bold R bold space bold equals bold space bold 4 bold x bold space bold અન ે bold comma bold space bold m bold space bold angle bold space bold S bold space bold equals bold space bold 6 bold x bold comma bold space bold ત ો bold space bold square bold space bold PQRS ના દરેક ખૂણાનુ માપ શોધો.
Answer

    • bold square bold space bold ABCDમાં bold angle bold space bold A bold comma bold space bold angle bold space bold B bold comma bold space bold angle bold space bold C bold space bold અન ે bold space bold angle bold space bold D નાં માપ 2 : 5 : 6 : 7ના પ્રમાણમાં હોય, તો bold square bold space bold ABCDના દરેક ખૂણાનું માપ શોધો.

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    bold square bold space bold ABCD માં જો bold m bold space bold angle bold space bold A bold space bold equals bold space bold m bold space bold angle bold space bold B bold space bold equals bold space bold 70 bold comma bold space bold m bold space bold angle bold space bold C bold space bold equals bold space bold 100 હોય, તો bold m bold space bold angle bold space bold D શોધો.




    bold square bold space bold ABCDમ ાં bold comma bold space bold m bold space bold angle bold space bold A bold space bold plus bold space bold m bold space bold angle bold space bold B bold space bold plus bold space bold m bold space bold angle bold space bold C bold space bold plus bold space bold m bold space bold angle bold space bold D bold space bold equals bold space bold 360 bold therefore bold space bold 70 bold space bold plus bold space bold 70 bold space bold plus bold space bold 100 bold space bold plus bold space bold m bold space bold angle bold space bold D bold space bold equals bold space bold 360 bold therefore bold space bold 240 bold space bold plus bold space bold m bold space bold angle bold space bold D bold space bold equals bold space bold 360 bold therefore bold space bold m bold space bold angle bold space bold D bold space bold equals bold space bold 360 bold space bold minus bold space bold 240 bold therefore bold space bold m bold space bold angle bold space bold D bold space bold equals bold space bold 120
    Answer
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    bold square bold space bold ABCD માં bold angle bold space bold A bold comma bold space bold angle bold space bold B bold comma bold space bold angle bold space bold C bold space bold અન ે bold space bold angle bold space bold Dનાં માપ 10 : 7 : 12 : 7ના પ્રમાણમાં હોય, તો bold square bold space bold ABCDના દરેક ખૂણાનું માપ શોધો.

    Answer
    • bold square bold space bold PQRS bold space bold equals bold space bold square bold space bold PSQR છે ? કારણ આપો.
    Answer
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