Question

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Answer 1

Answer:

So , first side =13

second side = 14

third side =

semi perimeter = a + b + c / 2

18 = 13 +14 +c /2

36 = 27+c

36-27=c

Thus third side = c= 9 plz MARK AS BRAINLIST

Answer 2

Step-by-step explanation:

a=13cm.

b=14cm.

also given as 18cm.

s=a+b+c/2

s=13+14+c/2=18cm

27+c=36

c=36-27

c=9cm.

:)