Question

The distance of point (2, 5, 7) from the x-axis is

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Answer 1

Answer:

2

Step-by-step explanation:

(2,5,7)=(x,y,z)

therefore the distance from x axis is 2

Answer 2

Step-by-step explanation:

(2,5,7)

x is 2units to right from (0,5,7)

y is 5units upwards from (2,0,7)

z is 7units inwards from (2,5,0)

x-Axis has the equation 'y=0, z=0', because the axis is horizontal and always has a y and z values of 0 for all x.

Therefore the distance of point (2,5,7) from x-axis is the hypotenuse of the triangle formed by the upward and inward movement along y and z-axis,which can be found using pythagoras' Theorem

sqrt (5^2+7^2)=sqrt(74)

The distance is the square root of 74