Find the area of a traingle if its sides are 17cm,25cm and 45cm.
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Find the area of a traingle if its sides are 17cm,25cm and 45cm.
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Answer:
The area of the triangle is "204 "cm^2.
Step-by-step explanation:
Here, a = 17 cm, b = 25 cm and c = 26 cm
∴ Semiperimetre = (a+b+c)/2
= 68/2cm
= 34 cm
Area of triangle(Heron's formua) = root[s(s-a)(s-b)(s-c)]
= 17 × 3 × 4
= 204
Hence, the area of the triangle is "204 ".