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.
a = ?
b = 16
c = 20
c2-b2=a2
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