ku mohon jawab prtnyaan ku ya kak,soalnya bsk udh mau d kmpl

[tex]cd \\ \\ \frac{5}{15} = \frac{2}{cd} \\ 5 \times cd = 15 \times 2 \\ 5cd = 30 \\ \frac{5cd}{5} = \frac{30}{5} \\ cd = 6 \\ \\ sr \\ \\ \frac{5}{15} = \frac{sr}{18} \\ 15 \times sr = 5 \times 18 \\ 15sr = 90 \\ \frac{15sr}{15} = \frac{90}{15} \\ sr = 6[/tex]
jadi jawabannya c.6 cm dan 6 cm

smoga membntuu;D