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Yup got it!!

Base=heigth=7/(root 2)=4.94

Thanks!

10 ( half the product of 4 and 5)

One way to work this problem is doing so backwards, thinking which two numbers, when squared, add up to one less than 7^2 (which is 48).

Hope that helps!

ANS: 9 ?

12 it is ..

Yes, that is it!

Almost…think in terms of 45:45:90 triangles ðŸ™‚