Math, asked by jatsahej, 2 months ago

give me answer fast please​

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Answered by mamtapandey82870
1

Answer:

sides of triangle,

a=13cm

b=14cm

c=15cm

perimeter of triangle=13+14+15

=42

semi perimeter of triangle,s=42/2

=21

by heron's formula,

area of the triangle=√s(s-a)(s-b)(s-c)

=√21(21-13)(21-14)(21-15)

=21××8×7×6

=84

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