a = ?

b = 16
c = 20
c2-b2=a2

1 answer

To find the value of 'a', we need to solve the equation c^2 - b^2 = a^2.

Given that b = 16 and c = 20, we can substitute these values into the equation:

20^2 - 16^2 = a^2

400 - 256 = a^2

144 = a^2

√144 = √a^2

12 = a

Therefore, the value of 'a' is 12.