Answer:
C.$1,856.63
Step-by-step explanation:
I did the test online
The perimeter of a circle is its total circumference, but in this case a semi-circle will measure half the circumference plus its diameter.
If the semicircle measures 8cm then the total circle is 16 cm, and we can calculate its diameter or radius from there. The perimeter is defined as:
p = pi*diameter = 16
diameter = 16/pi = 16/3.14
diameter = 5.1 cm
Therefore the semi-circle perimeter is:
perimeter = semi-circle + diameter = 8 + 5.1 = 13.1 cm
The structure makes a right triangle with the hypotenuse of 23 ft.
To find the height of the can we need length along y or...
sin(31 degrees) x 23 ft = 11.85 ft approx.
answer: 11.85 ft approx.