Question

please see the problem​

Answer 1

Answer:

by heron's formula

Explanation:

a=5 b= 3 c=4

P=a+b+c

= 5+3+4

=12cm

S=P÷2

=6cm

s-a=6-5=1

s-b=6-3=3

s-c=6-4=2

now ,

=√s(s-a) (s-b) (s-c)

=√6×1×3×2

=√2×3×1×3×2

root hata Dena

=2×3

=6cm

now,

= 6×7.50

= 45 rupees

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