Two marks exercise problems II — task. Mathematics State Board, Class 9.

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Find the distance between the following pairs of points.

(i) \((1, 2)\) and \((4, 3)\)

\(d\) \(=\)

\sqrt{i}

units

(ii) \((3, 4)\) and \((-7, 2)\)

\(d\) \(=\)

i \sqrt{i}

units

(iii) \((a, b)\) and \((c, b)\)

\(d\) \(=\)

i

units

(iv) \((3, -9)\) and \((-2, 3)\)

\(d\) \(=\)

i

units

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8. Two marks exercise problems II