anikakoganti
anikakoganti anikakoganti
  • 24-03-2018
  • Mathematics
contestada

An arc of a circle is 3πm long, and it subtends an angle of 72° at the center of the circle. Find the radius of the circle.

Respuesta :

gracibear
gracibear gracibear
  • 24-03-2018
72⁰_______3π m
360⁰______15π m

C = 15π = 2π r
r = 7•5 m
Answer Link

Otras preguntas

A food scientist is determined to create a mango that looks exactly like a mango but tastes like salmon. Can this be achieved through artificial selection? Why
PLEASE HELP The ratio of athletes in the two teams is 3:2. After 12 athletes move from first team to second, the ratio is 5:4. Find the number of athletes on ea
I wish this was free ✋
Chord diagram including: 2nd string, 1st fret (highlighted); 4th string, 2nd fret; 5th string, 3rd fret; 3rd and 1st strings are open. There is an x on the 6th
The Johnsons are buying a house that costs $210,000 and can afford a 20% down payment. If the Johnsons want the lowest monthly payment, which loan option would
-PLEASE HURRY 8. Given: x2 – 2x + 5, find : 1.f(2) 2.f(-3) 3.f(0) 4.f(5) - f(-2) 5.f(1) + f(6) -
The number of international tourist arrivals in Russia in 2012 was 13.5% greater than in 2011. The number of international tourist arrivals in Russia was k mill
How did George Washington, as president, increase the federal government's power?
The area between the lungs, in the chest cavity, that contains the heart, aorta, trachea, esophagus, and bronchi is known as the
who scored the first three-point basket in nba history