Question

Check whether 2,9,18 and 81 are in proportion or not

Answer 1

= 2:9::18:81
= 2*81=9*18
= 162=162
hence , 2,9,18,81 are in proportion

Answer 2

Answer:

2:9::18:81

2*81:::9*18

162:::162

Step-by-step explanation:

please add me to brainlist