The length of the perpendicular drawn from the point P(a, b, c) from z-axis is

(a) $\sqrt{a^{2} + b^{2}}$

(b) $\sqrt{b^{2} + c^{2}}$

(c) $\sqrt{a^{2} + c^{2}}$

(d) $\sqrt{a^{2} + b^{2} + c^{2}}$

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Solution

The length of the perpendicular drawn from the point P(x, y, z) from z-axis is given by $\sqrt{y^{2} + x^{2}}$
Thus, the length of the perpendicular drawn from the point P(a, b, c) from z-axis is $\sqrt{a^{2} + b^{2}}$
Hence, the correct answer is option (a)

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The length of the perpendicular drawn from the point P(a, b, c) from z-axis is (a) a2+b2 (b) b2+c2 (c) a2+c2 (d) a2+b2+c2

The length of the perpendicular drawn from the point P(x, y, z) from z-axis is given by y2+x2 Thus, the length of the perpendicular drawn from the point P(a, b, c) from z-axis is a2+b2 Hence, the correct answer is option (a)

The length of the perpendicular drawn from the point P(a, b, c) from z-axis is

(a) $\sqrt{a^{2} + b^{2}}$

(b) $\sqrt{b^{2} + c^{2}}$

(c) $\sqrt{a^{2} + c^{2}}$

(d) $\sqrt{a^{2} + b^{2} + c^{2}}$

The length of the perpendicular drawn from the point P(x, y, z) from z-axis is given by $\sqrt{y^{2} + x^{2}}$
Thus, the length of the perpendicular drawn from the point P(a, b, c) from z-axis is $\sqrt{a^{2} + b^{2}}$
Hence, the correct answer is option (a)