• # question_answer 1) Area of a triangle is $\mathbf{20}\text{ }\mathbf{c}{{\mathbf{m}}^{\mathbf{2}}}$and base is 20 cm. Find the height of the triangle. A) $2\,cm$B)                    $8\,cm$C) $5\,cm$                   D)                    $6\,cm$E) None of these

Solution :

Explanation Option [a] is correct. Let the height of the triangle is x. According to the question $20=\frac{1}{2}\times 20\times x\Rightarrow 20=10x\Rightarrow x=\frac{20}{10}=2cm.$ Hence, the height of the triangle = 2 cm.

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