Tolong dijawab yaa.. btuh bnget soalnya..please...
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OC= √10²-8²
= 6
L Sgt= 1/2.16.6
= 48
sin AOC= 8/10 = 0,8
sdt AOC= Arc sin 0,8= 53,13
sdt AOB= 2.(53,13)= 106,26
L juring AOB= 106,26/360 πr²
= 53,13/180. 3,14. 10²
= 92,68
L tembereng= L juring-L Sgt
= 92,68- 48
= 44,68
~ 45 cm²