Question
From the figure,
Then ( x – y)
![](data:image/png;base64,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)
- 30°
- -30°
- 40°
- -40°
The correct answer is: -30°
Related Questions to study
In the figure, if
then ![text end text angle 2 colon angle 7 equals](data:image/png;base64,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)
![](data:image/png;base64,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)
In the figure, if
then ![text end text angle 2 colon angle 7 equals](data:image/png;base64,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)
![](data:image/png;base64,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)
In the figure, n is transversal to lines
then ![text end text angle 8 equals ?](data:image/png;base64,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)
![](data:image/png;base64,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)
In the figure, n is transversal to lines
then ![text end text angle 8 equals ?](data:image/png;base64,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)
![](data:image/png;base64,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)
In the figure, n is transversal to
,m then (x+y+z)-(p+q+r)=?
![](data:image/png;base64,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)
In the figure, n is transversal to
,m then (x+y+z)-(p+q+r)=?
![](data:image/png;base64,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)
According to the data given in figure, x = ?
![](data:image/png;base64,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)
According to the data given in figure, x = ?
![](data:image/png;base64,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)
Ramesh and Mahesh solve an equation. In solving Ramesh commits a mistake in constant term and finds the roots 8 and 2. Mahesh commits a mistake in the coefficient of x and finds the roots – 9 and – 1. The correct roots are
Here we were given that in solving Ramesh commits a mistake in constant term and finds the roots 8 and 2. Many might create incorrect quadratic equations using the provided roots because they don't multiply carefully, which results in errors in one of the equation's signs. So the solution is 9, 1.
Ramesh and Mahesh solve an equation. In solving Ramesh commits a mistake in constant term and finds the roots 8 and 2. Mahesh commits a mistake in the coefficient of x and finds the roots – 9 and – 1. The correct roots are
Here we were given that in solving Ramesh commits a mistake in constant term and finds the roots 8 and 2. Many might create incorrect quadratic equations using the provided roots because they don't multiply carefully, which results in errors in one of the equation's signs. So the solution is 9, 1.