Wahmmy
Wahmmy Wahmmy
  • 02-06-2021
  • 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 :

ferrybukantoro
ferrybukantoro ferrybukantoro
  • 02-06-2021

Answer:

7.5 m

Step-by-step explanation:

circumference = 360/72 × 3π = 15π

so the radius of the circle =

15π / 2π = 7.5 m

Answer Link

Otras preguntas

what is te slope-intercept form of the equation of the line with (-3,5), (6,2)
What is 1/4 of 12 marbles?
Can you make a triangle with side lengths of 7, 8 , and 15? Explain
In to kill a mockingbird describe scout and jem's relationship
The Anti-Federalists feared the federal government would oppress enslaved people. the American people. the British people. the Sons of Liberty.
A Google search of a cut and pasted sentence can reveal it is plagiarized in a matter of
Kelly walks 0.7 mile to school. write an inequality using <, >, = to compare the distances they walk to school. I need help. Can someone please help me?
After world war 2 , why did the USSR want to control countries in Eastern Europe
Tourism is the ________industry in the world.
how much sleep should a teenager get