Seudónimo Seudónimo
  • 23-04-2020
  • Mathematics
contestada

The perimeter of a semicircle is 20.56 kilometers. What is the semicircle's diameter?
Use 3.14 for ​.

Respuesta :

Kheazy
Kheazy Kheazy
  • 23-04-2020

Answer:

Perimeter of semicircle =

[tex]\pi \: r[/tex]

[tex]\pi \: r = 20.56 \: where \: \pi = 3.14 \\ r = \frac{20.56}{3.14} = 6.5[/tex]

Buh diameter = 2r

D = 2 × 6.5

D = 13km

Answer Link

Otras preguntas

Why can't you change the subscripts in a formula in order to balance a chemical equation?
Simplify the expression 7v + 2w-12v
what part of speech is abundant
Harold's old school has 52 sixth graders and 39 seventh graders, what's the ratio of 6th graders to 7th graders in simplest form? (:
What's 16.6666667 to the nearest tenth
How to show your work to solve  3r^2-16r-7=5
Describe the typical movement of ciliates.
How to show your work to solve  3r^2-16r-7=5
An object has a weight of 5.10 Newtons (N) at sea level, where the acceleration due to gravity is 9.81 m/s2. What is the acceleration due to gravity on the obje
3 sisters, veronica, Mary and aAnna went out on a blind date with 3 brothers.  Veronica ended up holding hands with her date.  Mary certainly wasn't the one kis