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

How do you calculate the area of a circle​
help i cannot write proportions
What are 3 feelings that Michelle Obama Experienced
Due today someone please help.
Electric Charge (guided inquiry) Purpose: To show how matter becomes charged by induction Materials: comb, sink with working faucet Predict: Predict what you th
2/7 x N = 8/5 What is the fraction for N?
At Emmy's Swimwear, there are 28 bikini styles and 42 other types of swimsuit. What percentage of the swimsuit styles are bikinis?
Solve the inequality. 9p ≥ −72
Do you believe that harmony and balance are important to living a good life? Why or why not? Take the answer to the first question and enter it on the “Position
Describe the immediate effect of the neurotoxin on the number of action potentials in a postsynaptic neuron. Predict whether the maximum membrane potential of t