Question

Tolongin dong siapapun nomor 29 huhuhu.. makasihh..

Answer 1

180 - (50+55)
180 - 105
= 75


75/50 x 30
= 75/5 x 3
= 15 x 3
= 45

Answer 2

50/360 x luas lingkaran = 30 cm²
luas lingkaran = 30 . 36/5
luas lingkaran = 216 cm²

luas ORS = 75/360 x 216
= 15/72 x 216
= 45 cm²