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In ABC the measure of angle A is equal t...

In ABC the measure of angle A is equal to the sum of the measure of `/_`B and `/_` C Also ratio of measure of `/_`B and `/_` C is 4:5. Then find the measure of angles of the traingle.

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`/_`A=90 `/_`B=40 `/_`C=50
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CHETANA PUBLICATION-LINEAR EQUATIONS IN TWO VARIABLES-Exercise
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  11. Find the fraction.

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  12. If 5x+7y=17, 7x+5y=19 then the value of x-y is ……….

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  14. Complete the following table. x+y=7

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  15. Solve the following simultaneous equations. 2x+y=5, 3x-y=5

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  16. Find x and y

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  17. Solve: 2x-7y=7, 3x+y=22

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  19. A two digit number is 3 more than 4 times the sum of its digit. If 18 ...

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  20. The distance between two places A and B on road is 70 kilometer A car ...

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