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A rectangular piece of cardboard with an L-shaped hole is held 1.0m directly in front of...

A rectangular piece of cardboard with an L-shaped hole is held 1.0m directly in front of a point source of light. The cardboard is 2.5m away from a wall. The cardboard and the wall are parallel. The height H of the L is 11.40cm. The width W of the L is 5.59cm.

How tall is the image of the L on the wall?

How wide is the image of the L on the wall?

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