almond42
almond42 almond42
  • 24-04-2020
  • Mathematics
contestada

Describe the effect on the area of a circle when the radius is doubled

Describe the effect on the area of a circle when the radius is doubled class=

Respuesta :

DGBxBigxBrain
DGBxBigxBrain DGBxBigxBrain
  • 24-04-2020

Answer:

The original area would be multiplied by the scale factor of 2² to get the new area.

Step-by-step explanation:

If you double the radius lets so lets do an example

(a=πr²) so

if x is the radius the area would be x²π      

double the radius so 2x then the area would be

(2x)²π so 4x²π

4x²π/x²π= 4 so its 4 times greater or

D the last answer or The original area would be multiplied by the scale factor of 2² to get the new area.

Answer Link

Otras preguntas

What does "mean" mean in math terms
Identify the function that is not linear. 2y = 6, y=0, y= x/2, y=x²​
3/14/7/10[tex] \frac{ \frac{ \frac{3}{14} }{7} }{10} [/tex]simplify ​
can someone explain to me the importance of dissecting a FROG!!!!!
How did railroads change farming practices in Texas? A. Farmers grew as many cash crops as they could to transport to new markets. B. Farmers began to grow new
Why did England experienced industrialization before the rest of Europe ?
Administrative skills are often described as ______. people-focused skills noncritical skills for leaders highly creative skills fundamental skills for leaders
Approximately how far is it from Bangalore to Mumbai?
help!! 20 pts leslie invested $3,500 into an account with an interest rate of 4.5%. write an equation and find the value of the account after 15 years, compound
who is otton von bismark​