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= 150/360 × 2 × π × r
= 5/12 × 2 × 22/7 × 28
= 5/3 × 11 × 4
= 220/3
= 73,33 cm
Jadi panjang busurnya adalah 73,33 cm.
7
= 44 x 4 = 176
Rumus = x kell lingkaran
360
= 150 x 176 =73,33
360
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