redondolena1123 redondolena1123
  • 02-04-2020
  • Mathematics
contestada

What is the exact circumference of a circle that has a radius of 10 cm? Select one: a. 10πcm b. 20πcm c. 100πcm d. 200πcm

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 02-04-2020

Answer:

b. 20πcm

Step-by-step explanation:

The circumference is given by

C = 2*pi*r

   = 2* pi *10

    = 20pi

Answer Link
Wolfyy
Wolfyy Wolfyy
  • 02-04-2020

Circumference Formula: C = 2πr

C = 2π(10)

C = 20π

The correct answer is b. 20πcm

Note that if you want to solve for the exact circumference, you don't want to solve for pi since its a non-terminating decimal. If you want to round the nearest circumference multiply pi with 3.14.

Best of Luck!

Answer Link

Otras preguntas

how and why do engineers use models?
17 cm a minute to miles per hour
94320 as a percentage
94320 as a percentage
justin buys 12pencils for $0.56 each. he pays with a ten doller bill . ow much change will the receive
what is nitrogen fixation? how does it help the environment?
how do u write a ratio in simplest form for 42/28
.let f(x) = −4x 7 and g(x) = 10x − 6. find f(g(x)). (1 point)−40x 24 −40x 31 −40x 64 −40x 70
A problem states: "There are 3 more baseball than bats in a dugout. There are 15 bats and baseballs in the dugout in all. How many bats are there in the dugout?
Is 6/7 a whole or a natural number? can fractions be natural numbers?