Answer:
Square root of 37, about 6.08
Explanation:
Pythagorean Theorem: a^2 + b^2 = c^2
18^2 + b^2 = 19^2
324 + b^2 = 361
b^2 = 37
b= sqrt37
b about equal to 6.08
The answer would be 342
Multiply 19 by 18 and you get 342
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