Tolong bantu jawab. pakai cara nya juga yaaa. makasih banyak
13.) BC/45 =130/65
BC = 45 x 130 ÷ 65
BC = 90 cm
14.) Lj = 60/360 x 3,14 x 10 x 10
= 52,3 cm²
13)
dikalikan silang ya,,
aod/boc = ad/bc
65/130 = 45/bc
bc = (45×130)/65
bc = 90cm
jwbannya A
14)
luas juring aob =(60/360)xπr²
aob = (1/6)x3,14×10²
aob = 52,3 cm²
jwabannya C
done(: