Question

Find the area of the triangles whose side is a=8cm b=11cm c=13cm​

Answer 1

Step-by-step explanation:

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Answer 2

s=a+b+c

2

s=8+11+13

2

s=32

2

=16

Using Heron's formula

√s(s-a)(s-b)(s-c)

√16(16-8)(16-11)(16-13)

√16×8×5×3

√4×4×2×2×2×5×3

4×2√2×5×3

8√30

8×5.47cm²

43.81cm²(approx.)

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