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## Answers

and then solve it then you will get the answer

1567.482057 square units

this formula is called

**herons formula**

from heron's formula,

ar. = √(s(s-a)(s-b)(s-c))

= √(105(30)(35)(40))

= 4410000

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and then solve it then you will get the answer

1567.482057 square units

this formula is called

from heron's formula,

ar. = √(s(s-a)(s-b)(s-c))

= √(105(30)(35)(40))

= 4410000