# Block or cuboid

The wall diagonals of the block have sizes of √29cm, √34cm, √13cm. Calculate the surface and volume of the block.

Correct result:

V =  30
S =  62

#### Solution:

$S=2 \cdot \ (a \cdot \ b+b \cdot \ c+c \cdot \ a)=2 \cdot \ (2 \cdot \ 5+5 \cdot \ 3+3 \cdot \ 2)=62$

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