October 2018 1 62 Report
1.Taman berbentuk lingkaran dgn jari² 13m . di luar taman dibuat jalan selebar 2m. dikiri kana jalan di buat pagar.
hitunglah : a panjang pagar seluruhnya
b.luas jalan di luar taman

2.lingkaran diketahui
sudut pusat AOB = 80° , sudut COD = 120°
panjang busur AB = 48 cm
luas juring OCD = 135°
hitunglah : a . panjang busur CD
b. luas juring OAB

mohon dijawab yaa
terima kasih :)
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