Answer:
Step-by-step explanation:
Step-by-step explanation:
option 4 is correct, see explanation
You can use Heron's formula to do this
Area of triangle = sqrt[ s(s-a)(s-b)(s-c) ] where s = half the perimeter of the triangle =
1/2 * 13+5+9 = 13.5
so required area = sqrt [ (13.5)(13.5-13)(13.5-5)(13.5-9)]
= 16.1 square meters
Answer:
probably 6 or 11 not too sure but that's my answer
The volume of the dilated polyhedron will be 1 91/125.
