U•(v+w) u=2i+9j, v=-6i+4j, w=3i-8j

Yes , EH is 14 meter in length.

Step-by-step explanation:

Given:

It is a photocopied image,not necessary will be exact size. Therefore the photocopied image will have the sides  in proportion.  That is given as

AD = 7 m

To Find:

EH = ?

Solution:

It means the photocopied image is exactly the double of the design image.

∴

EH is 14 meter in length.