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Maths TNSB Mentoring
Class 9
Mensuration
Heron's formula and its applications I
3.
Find the area of the triangle
Question:
2
m.
Find the area of the triangle of sides \(7 \ cm\), \(6\ cm\) and \(7 \ cm\).
(Use \(\sqrt{10} = 3.16\))
\(18.96 \ cm^2\)
\(10 \ cm^2\)
\(54.22 \ cm^2\)
\(21 \ cm^2\)
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