Question

If 9:a::a: 16 , Then a =​

Answer 1

Answer:

12

Step-by-step explanation:

9:a::a:16

a*a = 9*16

a square = 144

a = 12

Answer 2

Answer:

12

Step-by-step explanation:

We know that , product of extremes = product of means.

Extremes = 9 and 16

Means = a and a

= > a * a = 16 * 9

= a^2 = 144

= a = √144

= a = 12

Hence , the value of a is 12.

Hope it helps