Question

solve the problem in the figure of class 10 pre - board ​

Answer 1

Answer:

d) 5

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Answer 2

(a) 4

proof:

point on y - axis that lies on the line containing the given point (4, -3), is (0, -3)

now, distance of the point (4, -3) from y-axis, using distance formula is–

$= \sqrt{ {( x_{2} - x_{1} )}^{2} + {( y_{2} - y_{1} )}^{2} } \\ = \sqrt{ {(4 - 0)}^{2} + {( - 3 - ( - 3))}^{2} } \\ = \sqrt{ {4}^{2} + { (- 3 + 3)}^{2} } = \sqrt{ {4}^{2} + {0}^{2} } = \sqrt{ {4}^{2} } \\ = 4 \: units$