Question

Find the area of a triangle whose sides are 3 cm, 4cm ,5 cm .​

Answer 1

Answer:

6sq.cm

Step-by-step explanation:

Given-The lengths of the sides are a=3 cm, b=5 cm, c=4 cm.

∴s=a+b+2/2=3+5+4 /2cm=6 cm

Now-

We use the formula,

Δ= root s(s−a)(s−b)(s−c)

∴Δ= root 6(6−3)(6−5)(6−4)cm^2

=root6×3×1×2 sq.cm

=6 sq.cm

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