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

You need to measure three things:1. a quantity of water2. the length of a leaf3. the mass of a small stoneWhich unit of metric measurement will you use for each

The legs of a right triangle are 18cm and 80cm long. What is the length of the hypotenuse?

the ages of two brothers are in the ratio two to three, but in eight years, the ratio of Their ages will be three to four. what is the age of the older brother.

i don't know how to do this please help

Which food was received in the temperature danger zone Milk 38F Cottage cheese at 40F Shell eggs at 43F Potato salad at 46F

please help show work 3√(125) -√(16) = ?

Subtract these polynomials. (3x2 + 3x + 3) - (x2 + 2x + 3) = A. 2x2 + x B. 2x2 + 5x C. 2x2 + 5x + 6 D. 2x2 + x + 6

£48 in the ratio of 3:1

A school is designed so that 5 hallways meet at the library in the shape of a regular pentagon. Find the measure of one of the interior angles of the pentagon.

What is the solution of 5a + 12 < 2 and 5a - 12 < 3?