Question

please answer this we have to use herons formula no irrelevant answers otherwise your account will be reported​

Answer 1

Step-by-step explanation:

area=[s(s-a)(s-b)(s-c)]^1/2

s=a+b+c/2

s=6+8+12/2=26/2=13

area=[13(13-6)(13-8)(13-12)]^1/2

=[13(7)(5)(1)]^1/2

=455^1/2

= 21.33

Answer 2

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