Respuesta :

Answer:

13170

Step-by-step explanation:

We could just use heron's formula

S=(a+b+c)/2=(155+175+260)/2=295

area=sqrt(S(S-a)(S-b)(S-c))

area=sqrt(295(140)(120)(35))

area=sqrt(173460000)

area=13170 is closest whole number

you could check my work for little errors before you enter anything in if you want :p

Answer:

13170 units^2 to the nearest whole number.

Step-by-step explanation:

Use Heron's formula:

Area = √s(s-a)(s-b)(s-c)

s = the semi-perimeter

= (155 + 175 + 260) / 2

= 590/2 =  295.

Area = √ [295(295-155)(295-175(295-260)]

= √ 173460000

= 13170.42 units^2.

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