Question

Help plz..And No links!! I repeat No links!!

Answer 1

Answer:

Step-by-step explanation:

36/16=90/r(since they are similar use this ratio)

do cross multiplication

16*90=36*r

1440=36r

1440/36=r

40=r

Answer 2

Answer:

$\frac{36}{16} = \frac{90}{x} \\ x = 40 \: mm$