Bugsytherooster
Bugsytherooster Bugsytherooster
  • 01-12-2014
  • Mathematics
contestada

If you have a semi-circle with a diameter of 8.6ft, what's the semi-circles area?

Use the formula [tex] \pi r^{2} [/tex]

Respuesta :

SchwarzschildRadius
SchwarzschildRadius SchwarzschildRadius
  • 01-12-2014
So,

The diameter is 8.6ft.  We need to convert to radius.

2 radius = 1 diameter

8.6/2 = 4.3 ft.

[tex] \pi r{2} [/tex]

[tex] \pi 4.3^{2} [/tex]

[tex] \pi 18.49[/tex]

3.14(18.49)

58.0586ft.²

Divide by 2 (semi-circle)
29.0293ft.²
Answer Link

Otras preguntas

The approximate mass of a nickel in kilograms is
what was the first present faith
Find the value of x that makes the equation true. 9x = –54 A.6 B.–9 C.–6 D.–54
Which statement is an accurate representation of Blanche Ingram and Jane Eyre? A)Mr. Rochester is attracted to both Blanche and Jane. B)Blanche and Jane are bo
The word ecology is made up of two Greek words, oikos and logia, and means "_____." -house knowledge -life logic -house logistics -environmental knowledge
What is the main character in a short story called
1. Describe two advantages of genetic engineering.
The spoke of a wheel reaches from the center of the wheel to its rim. If the circumference of the rim of the wheel is 42 inches, how long is each spoke? Round
describe the accomplishment of Charlemagne.
what are 5 roles of a person's right and responsibilities when executing freedom of expression during verbal interpersonal conflicts