noriega1270
noriega1270 noriega1270
  • 28-05-2018
  • Mathematics
contestada

Q # 9 please find the area

Q 9 please find the area class=

Respuesta :

carlosego
carlosego carlosego
  • 28-05-2018
To solve this problem you must apply the formula for calculate the surface area of a circle, which is shown below:
 SA=πir^2
 where r is the radius of the circle
 r=18 inches
 By substituying values, you have that the surface area is:
 SA=π(18 in)^2
 SA=324π in^2
 The answer is 324π in^2
Answer Link
smmwaite
smmwaite smmwaite
  • 28-05-2018
The figure in shown is a circle. 
The formula for getting the area of a circle is;

Area = πr²
 Where r ⇒ radius of the circle
            π=3.14

∴ Area = π×18²
           =324π² in²
Answer Link

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