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Sveta_85 [38]
3 years ago
12

Q # 9 please find the area

Mathematics
2 answers:
Rudik [331]3 years ago
6 0
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
Fofino [41]3 years ago
6 0
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
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