Question

do the following ratio form a proportion? Also, write the middle term an extreme
terms when the ratios form a proportion.
a. 25 cm : 2 m and 50: 400
do no. d
plz​

Answer 1

Answer:

when two ratios are equal then they form proportion.so,

45 : 60 and 9 : 16

45/60 and 9/16

9/12 and 9/16

both are not equal , so they don't form proportion.

here extremities are 45 and 16 when they are in proportion.