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

Can someone answer the 5 of these
expand the brackets and collect like terms 5(3x-1)-3(5x-1)
the value of x if N is between M and P, MP=60, MN=6x-7, and NP=2x+3
Which of the following is a benefit of a college education?
how does the candidate support his argument for presidential debate of 2020 ? ​
A group of political leaders believes that businesses should switch to using renewable energy. A factory owner argues that his business cannot afford to invest
What were three accomplishments of the Sumerians?
What does the Supreme Court consider to determine the constitutionality of a law?
What is a type of contaminant that can cause foodborne illness? chemical preservatives organic ingredients cholesterol parasites
Complete the following sentence with the correct choice below: Quand je vais à l'école, j'emporte O A. un livre de voyages. O B. un livre scolaire O C. un atlas