Question

Area of a triangle is 10cm square . The ratio
of its base and attitude is

4.5. Find it's base and altitude​

Answer 1

$let \: its \: base \: base \: be \: 4x \: and \: altitude \: 5x \\ area = \frac{1}{2} \times b \times h \\ 10 = \frac{1}{2} \times 4x \times 5x \\ 20 = 20x {}^{2} \\ x {}^{2} = 1 \\ x = 1 \\ so \: its \: base = 4 \times 1 \\ = 4cm \\ altitude = 5 \times 1 \\ = 5cm$

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