Question

Ada yg tau ga nmr 22

Answer 1

Pakai perbandingan panjang busur aja
PQ/ RS = sdt POQ / sdt ROS
48/18 = 80/ ROS
ROS = 30  jawaban A

Answer 2

PQ = 80/360 x K
48 = 2/9 x K
48 x 9/2 = K
216 = K

RS = α/360 x 216
18 = α/360 x 216
18 x 360/216 = α
30 = α

maka <ROS = 30 = A