Question

If the sides of a triangle are 17 cm, 25 cm and 26 cm, find the area of the triangle.

Answer 1

$s \: = \: \frac{68}{2} = 34 \\ ar. \: of \: tri.\: = \: \sqrt {34(17 - 25)(25 - 26)(26 - 17)} \\ \: \: \: = \: \sqrt{34 \times - 8 \times - 1 \times 9} \\ \: \: \: = \sqrt{34 \times 72} \\ \: \: \: = \: \: \sqrt{17 \times 2 \times2 \times 2 \times 2 \times 3 \times 3 } \\ \: \: \: = 2 \times 2 \times 3 \sqrt{17} \\ \: \: \: = 12 \sqrt{17 \: } cm ^{2}$

Answer 2

Answer:

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