egorzlobin2296 egorzlobin2296

01-01-2021
Mathematics

contestada

The radius of a circle is 3 killometers use 3.14 for pi

Respuesta :

as04621 as04621

01-01-2021

Answer:

The area of a circle is pi*r*r

3*3 = 9, 9*3.14 = 28.26

So the area of a circle with a 3 km radius is 28.26 kilometers

Step-by-step explanation:

Answer Link

Otras preguntas

which summary of the 19th century most clearly emphasizes the theme of economic change? a. america begin the century by doubling in size and ended by gaining ch

A cube has six sides that are numbered 1 to 6. The sides numbered 1, 3, and 5 are yellow, and the sides numbered 2,4, and 6 are orange. What is the probability

60mph = how many kilometers per hour?

9) What is an isotherm?

Medicine is packed in boxes each weighing 5 kg. how many such boxes can be loaded in a van that cannot carry beyond 260 kg.

Study the Bohr model shown below. How many valence electrons does this atom have? a. 2 b. 3 c. 4 d. 5 e. 8

The diameter of our disk-shaped galaxy, the Milky Way, is about 1.0 x 10^5 light-years (ly). The distance to the Andromeda galaxy, which is the spiral galaxy ne

This question must be at least 3 sentences long: Discuss the geologic time scale. How are time units determined in the Precambrian? How does this differ with ti

PLEASE HELP NEED THIS DONE.

A point charge q +4 μC is at the center of a sphere of radius 0.4 m. (a) Find the surface area of the sphere. 2.01 (b) Find the magnitude of the electric field