tolong bantu yaa, soalnya besok dikumpulin

[tex] \frac{sudut POQ}{juring POQ} [/tex] =[tex] \frac{sudutROQ}{juring ROQ} [/tex]
= [tex] \frac{60}{?} [/tex] = [tex] \frac{30}{15} [/tex]
= [tex] \frac{60 * 15}{30} [/tex]
=[tex] \frac{900}{30} [/tex]
= 30 cm²