kebushey05
kebushey05 kebushey05
  • 04-04-2019
  • Mathematics
contestada

find the perimeter of this figure

find the perimeter of this figure class=

Respuesta :

MrsStrong
MrsStrong MrsStrong
  • 05-04-2019

Answer:

128.52

Step-by-step explanation:

Find the area of the figure by splitting it into two shapes - a trapezoid and a semi-circle.

The area of a semi-circle is found using A = 1/2πr² where r = 6 since the diameter is 12. A = 1/2π(6)² = 56.52.

The area of the trapezoid is found using A = 1/2(a+b)h = 1/2(12 + 6)(8) = 72.

Together the area is 56.52 + 72 = 128.52.

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