A carpenter had to make a triangle with sides 5, 6, 5 units. By mistake he made one with sides 5, 8, 5 units. The difference between their areas is:

4 sq units

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2 sq units

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16 sq units

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0 sq units

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Solution

The correct option is
D

0 sq units

$s = \frac{5 + 5 + 6}{2} = 8$
$∵$ Area of triangle $= \sqrt{s (s - a) (s - b) (s - c)}$

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