Question

Area of triangle ABC is 30sq.cm .and measure of its height AD with respect to the base BC is 10cm .Find the measure of BC​

Answer 1

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Answer 2

$\huge\bf{Answer :}$

$\huge\bf{BC = 6 \: cm}$

$\huge\bf{Explanation :}$

Area of Triangle - $\frac{1}{2} \times base \times height$

$\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: 30 \: {cm}^{2} = \frac{1}{2} \times </em></strong><strong><em>BC</em></strong><strong><em> \times 10 \: cm \\ 30 \times 2 = </em></strong><strong><em>BC</em></strong><strong><em> \times 10 \\ \: \: \: \: \: \: \: \: 60 = </em></strong><strong><em>BC</em></strong><strong><em> \times 10 \\ \: </em></strong><strong><em>BC</em></strong><strong><em> = \frac{60}{10} \\ \: \: \: \: \: </em></strong><strong><em>BC</em></strong><strong><em> = 6 \: cm$

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