Area of a triangle with sides 15cm, 11cm & 6cm will be
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Area of triangle = base multiply height / 2
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Answer:
Sides of triangle = 15cm, 11cm, 6cm
Perimeter of triangle = (15+11+6) cm
2s = 32 cm
s = 16 cm
By Heron's Formula,
Area of triangle = √s (s-a) (s-b) (s-c)
= [ √16 (16-15) (16-11) (16-6) ] cm²
= ( √16*1*5*10) cm²
= 20√2 cm²
Therefore, the area of triangle is 20√2 cm².
Step-by-step explanation:
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