brynleew814 brynleew814
  • 11-05-2020
  • Mathematics
contestada

find the circumference and the area of a circle with the diameter of 4

Respuesta :

ghanami
ghanami ghanami
  • 12-05-2020

Answer:

Step-by-step explanation:

the area is :  A =πr²  r : radius    d : diameter    d= 2r  so : r=d/2 = 4/2 = 2

A =3.14(2²) = 12.56

the circumference is P= 2πr 2(3.14)(2)=12.56

Answer Link

Otras preguntas

A company is planning to make a new kind of radio. The cost to produce x radios is C(x) = 80,000 + 10x. Meanwhile, the revenue earned by selling x radios is giv
Is meiosis mitosis happening twice and why would a teacher explain to their students that it is a correct assumption?
A circular logo is enlarged to fit the lid of a jar. The new diameter is 50 per cent larger than the original. By what percentage has the area of the logo incre
What are the pH changes in the stomach before and after taking an antacid tablet?
How do you get a liquid to a gas?
what is the 52nd number of pi?
What are some quotes for of mice and men for the character Curley?
what is? 3.44 rounded to 1 decimal place12.09 1 decimal place18.39 1 decimal place44.347 1 decimal place82.383 1 decimal place49.2532 1 decimal place
Why would a teacher say that meiosis is actually mitosis happening twice?
Why does a pregnant woman need more energy than a woman who isn't pregnant