rufaydasanjida4 rufaydasanjida4

22-03-2017
Mathematics

contestada

How does the area of a circle compare to the area of another circle whose radius is twice as large? Explain your reasoning.

Respuesta :

apologiabiology apologiabiology

22-03-2017

area=pir²
compared to if we replaced r with 2r
areaother=pi(2r)²=pi4r²=4pir²

it is 4 times the other circle
doubling the radius makes the area 4 times larger

Answer Link

Otras preguntas

Chris wants to improve his lower body strength. He can best do this by performing... a) weighted squats, 10 repetitions each set, with longer resting time betwe

“she was dark and thin and foreign-looking in a world where prestige went to blondness and curly hair and dimples, slow where glipness was prized. what is the b

The perimeter of the scalene triangle is 54.6 cm. Which equation can be used to find the value of b if side a measures 8.7 cm? 8.7 + b = 54.6 17.4 + b = 54.6 26

α, β, γ are the zeroes of the polynomial x^3 + px^2 + qx + 2 such that α+ β + 1 = 0. Find the value of 2p + q + 5.

the x-intercepts of the gravy of f (x)= x (x+1)(x-5)(x-7) are

From the standpoint of geography and demography, _____ who live in a particular area would be considered as a _____.

The cutoff between normal and low birth weight is about ____ pounds.

In a newspaper release, corning, inc. announced it had received a favorable ruling from china's ministry of commerce on allegations that it was selling its fibe

An individual unit of replication is referred to as _____.

Don’t know what to do..