Respuesta :

Answer:

19.42 ft

Step-by-step explanation:

Triangle Outer Perimeter:

5ft + 5ft = 10ft

Semi-Circle Outer Perimeter:

First let's find the circumference of the entire circle:

Circumference = 2πr

Circumference = 2π * 3

Circumference = 6π

Circumference = 6(3.14)

Circumference = 18.84

Now to find the perimeter of the semicircle, we divide that value by two:

6π = 18.84

(6π)/2 = (18.84)/2

3π = 9.42 ft

Total Outer Perimeter:

10 ft + 9.42 ft = 19.42 ft

-Chetan K