Answer:
Your correct answer is A) 1.713 x 106
Step-by-step explanation:
Hope this helps :) -Mark Brainiest Please :)
Answer:

Step-by-step explanation:
we know that
Heron's Formula is a method for calculating the area of a triangle when you know the lengths of all three sides.
so

where
a, b and c are the length sides of triangle
s is the semi-perimeter of triangle
we have

<em>Find the semi-perimeter s
</em>
s=
Find the area of triangle



simplify

Find out what number goes into 8 and 10 then figure out how many times that number goes into 100