Answer:
b = 12.12 (or) 7 sqrt 3
Explanation:
a^2 + b^2 = c^2
7^2 + b^2 = 14^2
49 + b^2 = 196
-49 -49
b^2 = 147
b = sqrt 147
decimal form:
b = 12.12
exact form:
b = 7 sqrt 3
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