bestmanthatever bestmanthatever

23-04-2017
Mathematics

contestada

The diameter of a circle is 20 miles. What is the angle measure of an arc bounding a sector with area 10 square miles?

Respuesta :

23-04-2017

A=(απr^2)/360=(απd^2)/1440 (r^2=d^2/4)

α=1440A/(πd^2)

s=απd/360 (where s=arc length) so

s=(1440Aπd)/(360πd^2)

s=4A/d and since A=10mi^2 and d=20mi

s=(4*10)/20

s=2 miles

Answer Link

Otras preguntas

List the main Obligations of government in a Democratic Society (country)

Mary and Kori have been in a study group together for two weeks, and Kori is a little taken aback by some of Mary's beliefs. Kori thinks that Mary is propagatin

A botanist was monitoring the growth of a type of plant during its first year. The function f (x) models the average height of the plants, in inches (in), whe

Information is given about triangle ABC. Determine if the information gives one triangle, two triangles, or no triangle. Solve the resulting triangle(s). Round

what role did the anti apartheid movement played in the transition to Democracy in South Africa

A 7.894 gram sample of an organic compound containing C,H and O is analyzed by combustion analysis and 19.91 grams of CO2 and 3.495 grams of H2O are produced. I

Devoir maison a) Déterminer l'expression de u(n) en fonction de n pour tout entier naturel n b) En déduire le nombre d'habitants que comptait ce pays en 2019 Ex

the purpose of national shut down protest on load shedding

What is the Central Idea of the story? OA retelling of the story O The message the author wants you to get A caption O The big picture

The area of a triangle ABD is 50 cm², and one of its sides is 10 cm in length. Find one of the heights of the triangle.