Question

Helpppppppppppppppppppppppppppp

Answer 1

Finding the area of one triangle:

h^2 + 3^2 = 6^2
x^2 = 27
x=sqrt(27)
x=3*sqrt(3)

0.5*x*6=9*sqrt(3)

Then multiplying by 7 for all 7 sides,

9*sqrt(3)*7

63*sqrt(3)

Final simplification: 109.12, D

Hope this helps.