Answer:
circumference of a circle = 2*π*r or d*π
if π = 3.14159.
36 = d*3,14159
d= 36/3,14159≈11,459....cm≈11,4cm
d= 11,4cm, r = 11,4/2 =5,7cm
Area circle =π*r²
A = 3,14159*5,7²≈102,0702..≈102cm²
Explanation:
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