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Matematika
AliaRA
Pertanyaan
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1 Jawaban
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1. Jawaban jpallo
31) EG² = EF² + FG²
= 24² + 10²
= 576 + 100
= 676
EG = 26 cm
32) K = 2πr ===> 44 = 2 (22/7) r
r = 7 cm
L = πr² ===> (22/7) x 7 x 7
L = 154 cm²
33) Karena menghadap busur yg sama, maka besar sudut ACB = ½ AOB
ACB = ½ x (360 - 260)
= ½ x 100
= 50 derajat
34) L juring POQ = (36/360) πr²
= (1/10) x 3,14 x 10 x 10
= 31,4 cm²
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