CBSE /Class 9
Maths MCQ Based On Area of quadrilateral
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CBSE Class 9 Maths Area of quadrilateral
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Divide the total cost by the area of the field.
A = √{s(s-a)(s-b)(s-c)}
s = \\(a +b + c \\over 2\\)
Use Heron's formula.
We can find the area even when height is not given.
Find both the areas using heron's formula.
\\(s=\\frac{a+b+c}{2} \\)
\\( area=\\sqrt{s(s-a)(s-b)(s-c)}\\)
A = √{s(s-a)(s-b)(s-c)}
s = \\(a +b + c\\over 2\\)
A = √{s(s-a)(s-b)(s-c)}
s = \\(a +b + c\\over 2\\)
think carefully
Area = √s(s - a)(s - b)(s - c)
where s = \\(a + b + c \\over 2\\)and a,b, and c are sides of the triangle
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