merissahilley02 merissahilley02

09-03-2018
Mathematics

contestada

Jose’ has a circular rug on the floor of his bedroom. If the area of the rug is 16π square feet, what is the diameter of the rug?

Respuesta :

altafmushrafp5fo2o altafmushrafp5fo2o

12-03-2018

area of a circle is πr^2
so
16π = πr^2
the π's in both sides cancel out as it is a constant.
so it's
16 = r^2
r = √16
r = 4
so if radius so 4 then diameter is 8
because Radius is half the diameter.

Answer Link

Otras preguntas

One side of a square is 3x + 2. Which expression represents the perimeter? 2(3x + 2) (3x + 2)² 4(3x + 2)

The perimeter of a triangle is 147 inches. If one side of the triangle is five more than the shortest side, and the longest side is 16 more than the shortest si

Which relationship is always correct for the angles m, n, and p of triangle ABC? n+p=m m+p=n m+p+n=180 degrees m+p+n= 90 degrees

The equation of a circle whose center is at ( 4,0 ) and radius is length 2 ( square root ) 3

For the given quadratic equation convert into vertex form, find the vertex, and find the value for x = 6. y= -2x^2 + 2x +2?

Solve -3x2 + 30x - 90 = 0.

A man walks 10 miles in x hours. How far does he walk in one hour? Which expression represents this? 10 + x miles 10x miles 10/x miles

What is the discriminant of 3x^2-10x=-2?

Who fought on the side of the Republicans in the Spanish civil war

Americans who supported the Vietnam War were called a. guerrillas. b. hawks. c. doves. d. civilians.