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A(xy),A(yz),A(zx) be the area of project...

`A_(xy),A_(yz),A_(zx)` be the area of projections of an area A on the xy,yz and zx and planes resepctively, then `A^2=A_(xy)^2 + A_(yz)^2 +A_(zx)^2`

A

`A_(xy)^2+A_(yz)^2+A_(zx)^2`

B

`sqrt(A_(xy)^2+A_(yz)^2+A_(zx)^2)`

C

`A_(xy)+A_(yz)+A_(zx)`

D

`sqrt(A_(xy)+A_(yz)+A_(zx))`

Text Solution

Verified by Experts

The correct Answer is:
(a)
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