2) If the sides of a triangle
are 17 cm., 25 cm., and 26 cm.
find its area.
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Answer:
The area of the triangle is "204 cm^{2}cm2 ". ...
Here, a = 17 cm, b = 25 cm and c = 26.
∴ Semiperimetre = \dfrac{a + b + c}{2}2a+b+c.
= \dfrac{17 + 25 + 26}{2}217+25+26 c.
= \dfrac{68}{2}268 cm.
= 34 cm.
Area of triangle(Hero's formua) = \sqrt{s(s - a)(s - b)(s - c)}s(s−a)(s−b)(s−c)
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