maddymiller321 maddymiller321
  • 02-06-2020
  • Mathematics
contestada

5. Find the surface area of the cone. Round to
the nearest hundredth.
2 ft
6 ft

5 Find the surface area of the cone Round to the nearest hundredth 2 ft 6 ft class=

Respuesta :

Аноним Аноним
  • 02-06-2020

Answer:

[tex]52.3m^2[/tex]

Step-by-step explanation:

Use these formulas

[tex]A=\pi rl+\pi r^2\\l=\sqrt{r^2+h^2}[/tex]

Now solve

[tex]A=\pi r(r+\sqrt{h^2+r^2} )\\=\pi *2*(2\sqrt{6^2+2^2} )\\=52.3m^2[/tex]

Answer Link

Otras preguntas

A disc shaped object subtends and angle of 0.05 arc seconds when viewed through a telescope. The the object is 10 mm in diameter, how far is it from the telesco
Olivia became interested in the fossil evidence that Wegener used to form his hypothesis of continental drift. How did fossils show that the continents were onc
6 hours after infarction, appears blue and swollen, explains need for intervention within 4-6hr of symptoms a) Post-MI complications b) Indications for thrombo
when dose the 1/5 turn intoo a 2/5
(8 - 2x) + 3(4.5r + 9)
What is a central idea in the novel Lord of the Flies? Responses Jack grabs Piggy's glasses to start the signal fire. Ralph and Simon try to build shelters f
when dose the 1/5 turn intoo a 2/5
What are Ways to Address Low Health Literacy?
The temperature of a city on a particular night is -5 °C. The next morning, the temperature rises by 3 °C. Find the temperature in the morning.
Decreased calcium and phosphorus in the blood may cause tetany.(a) true(b) false