find the area of atriangle if the sides which are 8cm,11cm and 13cm
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Answer:
sides of triangle = 8cm,11cm,13cm
s=a+b+c upon 2
= 8+11+13 upon 2
=32÷2 = 16
area of triangle = √16(16-8)(16-11)16-13)
=√16×8×5×3
=√2×2×2×2×2×2×2×5×3
=2^2×2^2×2^2×2×5×3
= 2×2×2×√2×5×3
=8√30 cm^2
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