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

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Using Heron’s formula, find the area of a triangle whose sides are:

(i)

$10 \ cm$ ,

$24 \ cm$ ,

$26 \ cm$

Area

$=$

$sq. cm$

(ii)

$1.8 \ m$ ,

$8 \ m$ ,

$8.2 \ m$

Area

$=$

$sq. m$

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