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

What is a tabular key?
Which of the following are the factors of 4b2 - 16? a. (2b + 4)(2b + 4) b. (2b – 2)(2b + 4) c. 4(b – 2)(b + 2) d. 2(b – 4)(b + 4)
what channels the waste-filled blood to the excretory system?
The veins of a leaf contain the _____. a. apical meristem c. endodermis b. epidermis d. vascular tissue
with which sentence would alexis de Tocqueville likely agree
Suppose Monica Walks 1 kilometer every 15 minutes. How many meters further can she walk in 1 hour at this new rate? EXPLAIN how you found your answer
The Olduvai Gorge in Tanzania is the site of a. many findings of the earliest humans. b. the world's largest waterfall. c. the world's longest suspension bri
A quadrilateral has 4 right angles, 2 pairs of sides of equal length,2 pairs of opposite sides that are parallel. The pairs of opposite sides are not the same l
create environmental slogans for your city or town.
What is the reaction when magnesium becomes magnesium oxide