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Ljuring = x π x r²
jadi,
231 = x x 14 x 14
20790 = 154x
x = 135 = besar sudut
jadi, besar sudut pusat =
JAWABAN TERBAIK YA :):):)
Ljuring = x π x r²
jadi,
231 = x x 14 x 14
20790 = 154x
x = 135 = besar sudut
jadi, besar sudut pusat =
JAWABAN TERBAIK YA :):):)