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Maths CBSE Homework Assignments
Class 9
Heron's Formula
Find the area of the triangle using Heron's formula
1.
Find the area of the triangle
Task:
3
m.
Find the area of the triangle of sides \(7 \ dm\), \(6\ dm\) and \(7 \ dm\).
(Use \(\sqrt{10} = 3.16\))
\(54.22 \ dm^2\)
\(18.96 \ dm^2\)
\(21 \ dm^2\)
\(10 \ dm^2\)
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