Answer:
m = 4
Step-by-step explanation:
[tex] \because ABCD\sim QRST[/tex]
[tex] \therefore \frac{10}{m}= \frac{15}{6}[/tex]
[tex] \therefore m= \frac{10\times 6}{15}[/tex]
[tex] \therefore m= \frac{60}{15}[/tex]
[tex] \therefore m=4[/tex]
