Question

What will be the area of the triangle with sides 3 cm, 4 cm and 5 cm?
(a) 6 cm
(b) 12 cm
(c) 20 cm
(d) 60 cm
20 cm​

Answer 1

Answer:

d) 60 CM is the answer...

Step-by-step explanation:

3×4×5

=60cm

Answer 2

Answer:

a=3, b=4, c=5

using identity,

∆=√(s(s-a)(s-b) (s-c)

where s=a+b+c/2

s=3+4+5/2=6

∆=√6×3×2×1=6

∆=6cm²

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