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Let A B C D be a tetrahedron such that ...

Let `A B C D` be a tetrahedron such that the edges `A B ,A Ca n dA D` are mutually perpendicular. Let the area of triangles `A B C ,A C Da n dA D B` be 3, 4 and 5sq. units, respectively. Then the area of triangle `B C D` is a. `5sqrt(2)` b. `5` c. `(sqrt(5))/2` d. `5/2`

A

`5sqrt(2)`

B

`5`

C

`(5)/(sqrt(2))`

D

`(5)/(2)`

Text Solution

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The correct Answer is:
(a)
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