sirens48 sirens48

02-01-2018
Mathematics

contestada

A circle has an area of 324π cm2. What is the radius?
a.
18 cm
c.
18π cm
b.
36π cm
d.
36 cm

Respuesta :

musiclover10045 musiclover10045

02-01-2018

area of a circle = PI*r^2

324PI = PI*r^2

divide both sides by PI

324 = r^2

r = sqrt(324)

r = 18

Answer is A 18 cm

Answer Link

Otras preguntas

You live in a town with 300 adults and 200 children, and you are thinking about putting on a play to entertain your neighbors and make some money. A play has a

The diagonal of a TV is 30 inches long. Assuming that this diagonal forms a pair of 30-60-90 right triangles, what are the exact length and width of the TV? O O

A circle has a diameter of 12 inches. A circle with a diameter of 12 inches. A triangle with base 12 inches and height 6 inches is cut out of the circle. What

Discuss how Senior feels about parents being responsible for their children’s happiness.

What other countries occupied territories around the U.S at this time?

The mass of a sunfish and a giraffe, since birth, are represented by the following tables determine whether the data described in the tables is best modeled by

The growth of a plant in response to light is called? Please help fast! First answer gets brainliest!!!

A citizen says that the U.S. government does not have the right to defend the country against a foreign attack. Which phrase from the Preamble to the U.S. Const

who wants to be marked as brainlyest

Which of the following best defines the underlined word below? “If a nation violates a UN resolution or treaty, the un may impose trade sanctions to force coope