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A plane makes intercepts O A ,O Ba n dO ...

A plane makes intercepts `O A ,O Ba n dO C` whose measurements are `a,b` and `c` on the `O X ,O Ya n dO Z` axes. The area of triangle `A B C` is a. `1/2(a b+b c+c a)` b. `1/2a b c(a+b+c)` c. `1/2(a^2b^2+b^2c^2+c^2a^2)^(1//2)` d. `1/2(a+b+c)^2`

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