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Answer :

b^2 = c^2 - a^2

Let,

c = 14
a = 10

14^2 - 10^2 = b^2

196 - 100 = b^2

96 = b^2

Square root the equation:

b = 9.8


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Answer:

70

Step-by-step explanation:

10×14 .

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. by 2 becouse it not a squar its 1/2 of one