Triangle D F G is shown. The length of D F is 11, the length of F G is 6, and the length of D G is 9. Heron’s formula: Area = StartRoot s (s minus a) (s minus b) (s minus c) EndRoot What is the area of triangle DFG? Round to the nearest whole square unit. 27 square units 38 square units 364 square units 728 square units

  27 square units

Step-by-step explanation:

To use Heron's formula, you need to know that "s" represents half the perimeter.

  s = (11 +6 +9)/2 = 13

Then the area is given by the formula as ...

  A = √(13(13 -11)(13 -6)(13 -9)) = √(13·2·7·4) = √728

  A ≈ 26.98 ≈ 27 . . . square units

hi,

you half the rectangle that you ae asking about so then you would see the scale factor of 1/2 the one u have selected, the one on top is half.

hope this !