tolong bantu ya! makasih

r=14/2=7 cm
t=24 cm

s²=t²+r²=24²+7²=576+49=625
s=√625=25 cm

L=60 πrs
L=60×22/7×7×25
L=33.000 cm²
L=3,3 m²

Biaya = 3,3 × 50.000= Rp. 165.000

Jawaban B